| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| BLA (GENERAL JOSE ANTONIO ANZOATEGUI INTL) | airport | Venezuela | 10.11 | -64.69 | 26 | 0 | |
| BLACK | airport | United States | 41.51 | -90.18 | 580 | 0 | |
| BLACK | airport | United States | 39.83 | -101.36 | 3345 | 0 | |
| BLACK | airport | United States | 39.99 | -84.19 | 930 | 0 | |
| BLACK & DECKER/PARKING LOT 2 | airport | United States | 39.40 | -76.59 | 472 | 0 | |
| BLACK BUTTE RANCH | airport | United States | 43.05 | -114.47 | 4020 | 0 | |
| BLACK CANYON CITY MEDICAL CENTER | airport | United States | 34.06 | -112.15 | 2040 | 0 | |
| BLACK CANYON RANCH | airport | United States | 47.11 | -113.32 | 4260 | 0 | |
| BLACK DIAMOND | airport | United States | 47.32 | -122.01 | 595 | 0 | |
| BLACK DOG FARM | airport | United States | 44.47 | -88.82 | 898 | 0 | |
| BLACK HAWK | airport | United States | 41.46 | -90.17 | 630 | 0 | |
| BLACK HILLS CLYDE ICE FLD | airport | United States | 44.48 | -103.78 | 3931 | 0 | |
| BLACK HILLS HEALTH CARE SYSTEM | airport | United States | 43.44 | -103.47 | 3528 | 0 | |
| BLACK HOLLOW | airport | United States | 40.67 | -104.92 | 5294 | 0 | |
| BLACK HORSE LANDING | airport | United States | 36.36 | -93.69 | 1207 | 0 | |
| BLACK MARK STRIP | airport | United States | 33.03 | -97.07 | 635 | 0 | |
| BLACK OTTER | airport | United States | 44.33 | -88.62 | 805 | 0 | |
| BLACK RAPIDS | airport | United States | 63.54 | -145.86 | 2125 | 0 | |
| BLACK RIVER FALLS AREA | airport | United States | 44.25 | -90.86 | 836 | 0 | |
| BLACK RIVER MEMORIAL HOSPITAL | airport | United States | 44.30 | -90.85 | 850 | 0 | |
| BLACK RIVER RANCH | airport | United States | 45.20 | -84.32 | 880 | 0 | |
| BLACK ROCK | airport | United States | 40.73 | -80.28 | 1150 | 0 | |
| BLACK ROCK | airport | United States | 35.08 | -108.79 | 6454 | 0 | |
| BLACK SPRUCE | airport | United States | 61.66 | -149.84 | 350 | 0 | |
| BLACK SWAN FARM | airport | United States | 39.97 | -75.65 | 273 | 0 | |
| BLACKACRE FARM | airport | United States | 41.78 | -81.17 | 640 | 0 | |
| BLACKALL | airport | Australia | -24.43 | 145.43 | 928 | 0 | |
| BLACKBURN | airport | United States | 42.86 | -89.20 | 888 | 0 | |
| BLACKBUSHE | airport | United Kingdom | 51.32 | -0.85 | 325 | 0 | |
| BLACKCREEK INTL | airport | United States | 30.07 | -81.82 | 5 | 0 | |
| BLACKHAWK | airport | United States | 39.16 | -95.58 | 1015 | 0 | |
| BLACKHAWK | airport | United States | 38.96 | -90.81 | 584 | 0 | |
| BLACKHAWK | airport | United States | 43.10 | -89.19 | 920 | 0 | |
| BLACKHAWK FARMS INC | airport | United States | 42.49 | -89.11 | 759 | 0 | |
| BLACKHAWK ISLAND | airport | United States | 42.91 | -88.87 | 800 | 0 | |
| BLACKINTON | airport | United States | 33.26 | -117.09 | 1156 | 0 | |
| BLACKPOOL | airport | United Kingdom | 53.77 | -3.03 | 34 | 0 | |
| BLACKWATER | airport | Australia | -23.60 | 148.81 | 657 | 0 | |
| BLACKWATER AIRFIELD | airport | United States | 30.88 | -86.85 | 200 | 0 | |
| BLACKWATER AIRSTRIP | airport | United States | 36.46 | -76.21 | 12 | 0 | |
| BLACKWATER CREEK | airport | United States | 28.14 | -82.15 | 80 | 0 | |
| BLACKWELL FLD | airport | United States | 31.43 | -85.62 | 356 | 0 | |
| BLACKWELL LAND COMPANY INC | airport | United States | 35.64 | -120.01 | 760 | 0 | |
| BLACKWELL TONKAWA MUNI | airport | United States | 36.75 | -97.35 | 1029 | 0 | |
| BLACKWELL-TONKAWA MUNI | airport | United States | 36.75 | -97.35 | 1030 | 0 | |
| BLACKWOOD AIRPARK | airport | United States | 32.41 | -97.39 | 835 | 0 | |
| BLADEN COUNTY HOSPITAL | airport | United States | 34.62 | -78.63 | 120 | 0 | |
| BLADENBORO | airport | United States | 34.55 | -78.78 | 115 | 0 | |
| BLADES LANDING | airport | United States | 41.24 | -81.42 | 1100 | 0 | |
| BLAGNAC | airport | France | 43.63 | 1.36 | 499 | 0 | |
| BLAINE SECTORS HQS | airport | United States | 48.98 | -122.72 | 43 | 0 | |
| BLAIR | airport | United States | 44.29 | -91.23 | 864 | 0 | |
| BLAIR LAKE | airport | United States | 46.10 | -90.16 | 1625 | 0 | |
| BLAIR LAKE | airport | United States | 64.36 | -147.36 | 910 | 0 | |
| BLAIR MUNI | airport | United States | 41.42 | -96.11 | 1325 | 0 | |
| BLAIR MUNI | airport | United States | 41.41 | -96.11 | 1325 | 0 | |
| BLAIR STRIP | airport | United States | 36.28 | -119.64 | 231 | 0 | |
| BLAIRSTOWN | airport | United States | 40.97 | -75.00 | 372 | 0 | |
| BLAIRSVILLE | airport | United States | 34.85 | -84.00 | 1911 | 0 | |
| BLAIRSVILLE | airport | United States | 34.86 | -84.00 | 1911 | 0 | |
| BLAKE FLD | airport | United States | 38.79 | -108.06 | 5193 | 0 | |
| BLAKE SKY PARK | airport | United States | 38.46 | -122.05 | 310 | 0 | |
| BLAKELY ISLAND | airport | United States | 48.58 | -122.83 | 66 | 0 | |
| BLANCA | airport | United States | 37.41 | -105.55 | 7720 | 0 | |
| BLANCHARD VALEY RGNL HEALTH CENTER | airport | United States | 41.02 | -83.65 | 860 | 0 | |
| BLANCHETTE | airport | United States | 41.79 | -72.93 | 500 | 0 | |
| BLAND | airport | United States | 38.90 | -95.13 | 935 | 0 | |
| BLANDING AMBULANCE | airport | United States | 37.64 | -109.48 | 5900 | 0 | |
| BLANDING MUNI | airport | United States | 37.58 | -109.48 | 5865 | 0 | |
| BLANKET BAY | airport | United States | 27.78 | -81.10 | 65 | 0 | |
| BLASER'S | airport | United States | 39.27 | -94.99 | 1000 | 0 | |
| BLATTER | airport | United States | 48.42 | -106.25 | 2800 | 0 | |
| BLB (HOWARD) | airport | Panama | 8.91 | -79.60 | 52 | 0 | |
| BLC (Bali Airport) | airport | 5.90 | 10.03 | 4465 | 0 | ||
| BLD (BOULDER CITY MUNI) | airport | United States | 35.95 | -114.86 | 2201 | 0 | |
| BLE (BORLANGE) | airport | Sweden | 60.42 | 15.52 | 503 | 0 | |
| BLEAKLEY RANCH | airport | United States | 30.23 | -98.14 | 1384 | 0 | |
| BLECH RANCH | airport | United States | 35.60 | -120.34 | 1140 | 0 | |
| BLEDSOE COUNTY HOSPITAL | airport | United States | 35.62 | -85.19 | 957 | 0 | |
| BLEDSOE RANCH | airport | United States | 45.27 | -103.22 | 2872 | 0 | |
| BLEVINS | airport | United States | 41.21 | -84.27 | 722 | 0 | |
| BLF (MERCER CO) | airport | United States | 37.30 | -81.21 | 2857 | 0 | |
| BLG (Belaga Airport) | airport | 2.65 | 113.77 | 200 | 0 | ||
| BLH (BLYTHE) | airport | United States | 33.62 | -114.72 | 399 | 0 | |
| BLI (BELLINGHAM INTL) | airport | United States | 48.79 | -122.54 | 170 | 0 | |
| BLICKHAN LNDG AREA | airport | United States | 40.01 | -91.38 | 635 | 0 | |
| BLIDA | airport | Algeria | 36.50 | 2.81 | 535 | 0 | |
| BLINN LAKE | airport | United States | 55.25 | -162.75 | 50 | 0 | |
| BLJ (BATNA) | airport | Algeria | 35.75 | 6.31 | 2697 | 0 | |
| BLK (BLACKPOOL) | airport | United Kingdom | 53.77 | -3.03 | 34 | 0 | |
| BLL (BILLUND) | airport | Denmark | 55.74 | 9.15 | 247 | 0 | |
| BLM | airport | United States | 44.28 | -120.90 | 3250 | 0 | |
| BLM (MONMOUTH EXECUTIVE) | airport | United States | 40.19 | -74.12 | 159 | 0 | |
| BLM FIRE CENTER | airport | United States | 39.12 | -108.54 | 4820 | 0 | |
| BLN (BENALLA) | airport | Australia | -36.55 | 146.01 | 569 | 0 | |
| BLO | airport | United States | 32.91 | -97.98 | 1050 | 0 | |
| BLO (Hjaltabakki Airport) | airport | 65.64 | -20.29 | 131 | 0 | ||
| BLOCK | airport | United States | 42.19 | -89.84 | 917 | 0 | |
| BLOCK AIR VILLAGE | airport | United States | 39.46 | -94.42 | 1030 | 0 | |
| BLOCK ISLAND STATE | airport | United States | 41.17 | -71.58 | 108 | 0 | |
| BLOCK RANCH | airport | United States | 33.70 | -105.38 | 5966 | 0 | |
| BLOCK RANCH | airport | United States | 32.33 | -97.23 | 755 | 0 | |
| BLODGET LAKE | airport | United States | 61.58 | -149.68 | 242 | 0 | |
| BLODGETT MEMORIAL MEDICAL CENTER | airport | United States | 42.95 | -85.62 | 800 | 0 | |
| BLOECHER FARM | airport | United States | 42.75 | -78.46 | 1430 | 0 | |
| BLOEMFONTEIN INTL | airport | South Africa | -29.09 | 26.30 | 4458 | 0 | |
| BLOMBERG 42 RANCH PVT | airport | United States | 45.20 | -102.65 | 2610 | 0 | |
| BLOMENBERG | airport | United States | 40.90 | -85.05 | 800 | 0 | |
| BLOMSTER FIELD FARM | airport | United States | 39.87 | -79.96 | 1050 | 0 | |
| BLOOM | airport | United States | 39.63 | -83.75 | 1050 | 0 | |
| BLOOMER MEMORIAL MEDICAL CENTER | airport | United States | 45.10 | -91.50 | 1055 | 0 | |
| BLOOMFIELD MUNI | airport | United States | 40.73 | -92.43 | 888 | 0 | |
| BLOOMFIELD MUNI | airport | United States | 42.58 | -97.67 | 1673 | 0 | |
| BLOOMINGTON HOSPITAL | airport | United States | 39.16 | -86.54 | 800 | 0 | |
| BLOOMSBURG HOSPITAL | airport | United States | 41.01 | -76.45 | 660 | 0 | |
| BLOOMSBURG MUNI | airport | United States | 41.00 | -76.44 | 481 | 0 | |
| BLOSSER MUNI | airport | United States | 39.55 | -97.65 | 1486 | 0 | |
| BLOUIN FLIGHTPARK | airport | United States | 29.74 | -90.63 | 10 | 0 | |
| BLOUNT | airport | United States | 31.46 | -91.82 | 50 | 0 | |
| BLOWOUT BENCH | airport | United States | 47.11 | -120.71 | 2065 | 0 | |
| BLOYER FLD | airport | United States | 43.97 | -90.48 | 966 | 0 | |
| BLP (Huallaga Airport) | airport | -7.06 | -76.58 | 980 | 0 | ||
| BLQ (BOLOGNA) | airport | Italy | 44.54 | 11.29 | 123 | 0 | |
| BLR (Kempegowda International Airport) | airport | 13.20 | 77.71 | 3000 | 0 | ||
| BLS (Bollon Airport) | airport | -28.06 | 147.48 | 182 | 0 | ||
| BLT (BLACKWATER) | airport | Australia | -23.60 | 148.81 | 657 | 0 | |
| BLUE BIRD | airport | United States | 39.31 | -81.62 | 780 | 0 | |
| BLUE BIRD FIELD | airport | United States | 36.44 | -87.09 | 705 | 0 | |
| BLUE CANYON NYACK | airport | United States | 39.27 | -120.71 | 5284 | 0 | |
| BLUE EARTH MUNI | airport | United States | 43.60 | -94.09 | 1107 | 0 | |
| BLUE GRASS | airport | United States | 38.04 | -84.61 | 979 | 0 | |
| BLUE HAVEN FARM | airport | United States | 38.17 | -84.37 | 985 | 0 | |
| BLUE HEAD RANCH | airport | United States | 27.16 | -81.54 | 77 | 0 | |
| BLUE HERON | airport | United States | 42.70 | -74.20 | 1200 | 0 | |
| BLUE HILL | airport | United States | 44.45 | -68.57 | 360 | 0 | |
| BLUE HOLLOW AIRPARK | airport | United States | 37.80 | -92.83 | 820 | 0 | |
| BLUE JAY | airport | United States | 40.01 | -74.86 | 28 | 0 | |
| BLUE KNOB VALLEY | airport | United States | 40.40 | -78.45 | 1270 | 0 | |
| BLUE LICK | airport | United States | 38.08 | -85.69 | 532 | 0 | |
| BLUE LIGHT | airport | United States | 43.73 | -71.68 | 825 | 0 | |
| BLUE MOUNTAIN ACADEMY (PVT) | airport | United States | 40.55 | -76.03 | 531 | 0 | |
| BLUE RIBBON | airport | United States | 48.13 | -123.21 | 100 | 0 | |
| BLUE RIDGE | airport | United States | 36.63 | -80.02 | 941 | 0 | |
| BLUE RIDGE FLIGHTPARK | airport | United States | 28.86 | -80.91 | 25 | 0 | |
| BLUE RIDGE SKYPORT | airport | United States | 34.86 | -84.39 | 1946 | 0 | |
| BLUE RIVER | airport | Canada | 52.12 | -119.28 | 2240 | 0 | |
| BLUE SKIES | airport | United States | 32.87 | -97.66 | 960 | 0 | |
| BLUE SKY | airport | United States | 37.32 | -95.28 | 890 | 0 | |
| BLUE SKY | airport | United States | 46.80 | -96.59 | 927 | 0 | |
| BLUE SKY AIRFIELD | airport | United States | 35.06 | -101.85 | 3615 | 0 | |
| BLUE SPRINGS | airport | United States | 30.48 | -83.25 | 95 | 0 | |
| BLUE SPRINGS | airport | United States | 39.03 | -94.26 | 287 | 0 | |
| BLUEBERRY FIELD | airport | United States | 42.29 | -75.07 | 2100 | 0 | |
| BLUEBERRY HILL | airport | United States | 31.12 | -85.37 | 220 | 0 | |
| BLUEBERRY HILL | airport | United States | 42.38 | -73.15 | 2000 | 0 | |
| BLUEBIRD | airport | United States | 39.39 | -86.60 | 580 | 0 | |
| BLUEBIRD | airport | United States | 42.62 | -92.50 | 924 | 0 | |
| BLUEBIRD | airport | United States | 35.70 | -95.31 | 531 | 0 | |
| BLUEBIRD AIRPARK | airport | United States | 35.40 | -96.83 | 1030 | 0 | |
| BLUEBIRD HILL | airport | United States | 32.34 | -93.80 | 180 | 0 | |
| BLUECREEK | airport | United States | 48.31 | -117.84 | 1740 | 0 | |
| BLUEFIELD RGNL MEDICAL CENTER | airport | United States | 37.26 | -81.24 | 2555 | 0 | |
| BLUEFIELD RGNL MEDICAL CENTER | airport | United States | 37.25 | -81.23 | 2500 | 0 | |
| BLUEFIELDS | airport | Nicaragua | 11.99 | -83.77 | 41 | 0 | |
| BLUEGRASS | airport | United States | 39.06 | -77.89 | 1720 | 0 | |
| BLUEMEL FIELD | airport | United States | 38.13 | -75.76 | 3 | 0 | |
| BLUESTEM | airport | United States | 36.40 | -95.90 | 660 | 0 | |
| BLUFF | airport | United States | 37.25 | -109.63 | 4476 | 0 | |
| BLUFF PARK FARM | airport | United States | 61.53 | -149.50 | 110 | 0 | |
| BLUFFTON | airport | United States | 40.89 | -83.87 | 851 | 0 | |
| BLUMENAU | airport | Brazil | -26.83 | -49.09 | 60 | 0 | |
| BLUMENSTETTER | airport | United States | 37.44 | -93.07 | 1327 | 0 | |
| BLUNT FIELD | airport | United States | 44.94 | -91.43 | 930 | 0 | |
| BLV (SCOTT AFB MIDAMERICA) | airport | United States | 38.55 | -89.84 | 459 | 0 | |
| BLX (Belluno Airport) | airport | 46.17 | 12.25 | 1240 | 0 | ||
| BLY (Belmullet Aerodrome) | airport | 54.22 | -10.03 | 150 | 0 | ||
| BLYTHE | airport | United States | 33.62 | -114.72 | 399 | 0 | |
| BLYTHE SERVICE CENTER | airport | United States | 33.60 | -114.60 | 297 | 0 | |
| BLYTHEVILLE MUNI | airport | United States | 35.94 | -89.83 | 255 | 0 | |
| BLZ (CHILEKA INTL) | airport | Malawi | -15.68 | 34.97 | 2555 | 0 |