| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| ALT (Alenquer Airport) | airport | -1.92 | -54.72 | 55 | 0 | ||
| ALTA | airport | Norway | 69.98 | 23.37 | 9 | 0 | |
| ALTA FLORESTA | airport | Brazil | -9.87 | -56.11 | 947 | 0 | |
| ALTA SIERRA | airport | United States | 39.11 | -121.06 | 2275 | 0 | |
| ALTA VISTA | airport | United States | 36.97 | -121.86 | 480 | 0 | |
| ALTA VISTA RANCH | airport | United States | 30.15 | -103.89 | 4702 | 0 | |
| ALTAMIRA | airport | Brazil | -3.25 | -52.25 | 368 | 0 | |
| ALTEMOSE | airport | United States | 40.09 | -75.52 | 345 | 0 | |
| ALTENBURG NOBITZ | airport | Germany | 50.98 | 12.51 | 640 | 0 | |
| ALTO PARAISO | airport | Brazil | -14.12 | -47.53 | 1200 | 0 | |
| ALTON BAY | airport | United States | 43.48 | -71.24 | 504 | 0 | |
| ALTON FIELD | airport | United States | 32.03 | -90.10 | 850 | 0 | |
| ALTON MEMORIAL HOSPITAL | airport | United States | 38.90 | -90.16 | 525 | 0 | |
| ALTONA MUNI | airport | Canada | 49.09 | -97.53 | 806 | 0 | |
| ALTOONA BLAIR CO | airport | United States | 40.30 | -78.32 | 1504 | 0 | |
| ALTOONA RGNL HEALTH SYSTEM-BON SECOURS CAM | airport | United States | 40.50 | -78.41 | 1172 | 0 | |
| ALTOONA RGNL HOSPITAL | airport | United States | 40.52 | -78.40 | 1256 | 0 | |
| ALTURAS MUNI | airport | United States | 41.48 | -120.57 | 4374 | 0 | |
| ALTUS AFB | airport | United States | 34.67 | -99.27 | 1382 | 0 | |
| ALTUS QUARTZ MOUNTAIN RGNL | airport | United States | 34.70 | -99.34 | 1433 | 0 |