| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Baariis | city | France | 48.87 | 2.33 | 114 | 1811717 | |
| Bagneux | city | France | 48.80 | 2.31 | 193 | 993418 | |
| Bagnolet | city | France | 48.87 | 2.42 | 311 | 1249907 | |
| Bahliz | city | France | 48.87 | 2.33 | 114 | 1811717 | |
| Baillet | city | France | 49.06 | 2.30 | 331 | 50700 | |
| Baillet-en-France | city | France | 49.06 | 2.30 | 331 | 50700 | |
| Baillot | city | France | 48.61 | 2.21 | 324 | 51810 | |
| Bailly | city | France | 48.84 | 2.08 | 830 | 170355 | |
| Bajolet | city | France | 48.61 | 2.07 | 370 | 16890 | |
| Ballainvilliers | city | France | 48.67 | 2.30 | 252 | 211073 | |
| Ballancourt | city | France | 48.53 | 2.38 | 255 | 28605 | |
| Ballancourt-sur-Essonne | city | France | 48.53 | 2.38 | 255 | 28605 | |
| Banthelu | city | France | 49.13 | 1.81 | 830 | 8805 | |
| Bas de Torfou | city | France | 48.55 | 2.22 | 301 | 36419 | |
| Basse Perruche | city | France | 48.81 | 1.75 | 830 | 9570 | |
| Batignolles | city | France | 48.89 | 2.32 | 144 | 1531691 | |
| Batignolles-Monceau | city | France | 48.89 | 2.32 | 144 | 1531691 | |
| Batonceau | city | France | 48.62 | 1.77 | 830 | 9345 | |
| Baudicourt | city | France | 48.57 | 1.85 | 830 | 5552 | |
| Baulne | city | France | 48.49 | 2.36 | 830 | 26219 | |
| Baville | city | France | 48.56 | 2.13 | 347 | 20524 | |
| Bazainville | city | France | 48.80 | 1.67 | 830 | 8882 | |
| Bazemont | city | France | 48.93 | 1.87 | 830 | 35326 | |
| Bazoches | city | France | 48.78 | 1.86 | 830 | 22468 | |
| Bazoches-sur-Guyonne | city | France | 48.78 | 1.86 | 830 | 22468 | |
| Beauchamp | city | France | 49.02 | 2.20 | 223 | 178871 | |
| Beaumont | city | France | 49.14 | 2.29 | 196 | 45739 | |
| Beaumont | city | France | 48.41 | 2.04 | 830 | 3443 | |
| Beaumont-sur-Oise | city | France | 49.14 | 2.29 | 196 | 45739 | |
| Beauthoville | city | France | 49.01 | 1.77 | 383 | 40209 | |
| Beauvais | city | France | 48.54 | 2.05 | 370 | 10969 | |
| Beauvais | city | France | 48.44 | 2.21 | 830 | 17686 | |
| Beauvais | city | France | 48.50 | 2.47 | 272 | 12674 | |
| Beauvoir | city | France | 48.44 | 2.21 | 830 | 17686 | |
| Bechereau | city | France | 48.65 | 1.69 | 830 | 7212 | |
| Bel-Air | city | France | 48.61 | 2.17 | 410 | 28928 | |
| Bellay | city | France | 49.15 | 1.89 | 347 | 5888 | |
| Belle-Cote | city | France | 48.98 | 1.59 | 318 | 12588 | |
| Bellefontaine | city | France | 49.10 | 2.47 | 246 | 33510 | |
| Belleville | city | France | 48.69 | 2.11 | 830 | 57493 | |
| Belleville | city | France | 48.87 | 2.39 | 337 | 1635611 | |
| Belleville-Villette | city | France | 48.89 | 2.38 | 177 | 1547683 | |
| Bellevue | city | France | 48.82 | 2.23 | 98 | 643844 | |
| Belloy | city | France | 49.09 | 2.37 | 830 | 27414 | |
| Belloy-en-France | city | France | 49.09 | 2.37 | 830 | 27414 | |
| Bennecourt | city | France | 49.04 | 1.55 | 52 | 14555 | |
| Berchevilliers | city | France | 48.59 | 2.11 | 328 | 21701 | |
| Bernes | city | France | 49.16 | 2.30 | 85 | 41433 | |
| Bernes-sur-Oise | city | France | 49.16 | 2.30 | 85 | 41433 | |
| Berville | city | France | 49.19 | 2.07 | 308 | 5747 | |
| Bethemont | city | France | 49.05 | 2.25 | 830 | 82132 | |
| Bethemont-la-Foret | city | France | 49.05 | 2.25 | 830 | 82132 | |
| Beulle | city | France | 48.92 | 1.88 | 830 | 30543 | |
| Beynes | city | France | 48.86 | 1.87 | 331 | 22573 | |
| Bezons | city | France | 48.92 | 2.21 | 95 | 584745 | |
| Bierville | city | France | 48.38 | 2.15 | 341 | 14835 | |
| Billancourt | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Bièvres | city | France | 48.76 | 2.22 | 830 | 208642 | |
| Blamécourt | city | France | 49.16 | 1.80 | 393 | 9059 | |
| Blancheface | city | France | 48.53 | 2.10 | 830 | 9466 | |
| Blandy | city | France | 48.31 | 2.26 | 830 | 1991 | |
| Blaru | city | France | 49.05 | 1.48 | 830 | 20155 | |
| Bléry | city | France | 48.97 | 1.60 | 406 | 10400 | |
| Bobigny | city | France | 48.91 | 2.45 | 173 | 595450 | |
| Bobinhy | city | France | 48.91 | 2.45 | 173 | 595450 | |
| Boigneville | city | France | 48.34 | 2.37 | 344 | 6379 | |
| Boigny | city | France | 48.34 | 2.10 | 830 | 5931 | |
| Boigny | city | France | 48.50 | 2.37 | 229 | 26896 | |
| Boinville | city | France | 48.93 | 1.76 | 364 | 23676 | |
| Boinville | city | France | 48.41 | 2.05 | 830 | 3526 | |
| Boinville | city | France | 48.49 | 1.87 | 830 | 4173 | |
| Boinville-en-Mantois | city | France | 48.93 | 1.76 | 364 | 23676 | |
| Boinville-le-Gaillard | city | France | 48.49 | 1.87 | 830 | 4173 | |
| Boinvilliers | city | France | 48.92 | 1.66 | 219 | 12879 | |
| Bois-Champ-Beau | city | France | 48.36 | 2.22 | 406 | 2707 | |
| Bois-Colombes | city | France | 48.92 | 2.27 | 98 | 905178 | |
| Bois-Herpin | city | France | 48.37 | 2.24 | 403 | 3040 | |
| Bois-d'Arcy | city | France | 48.80 | 2.02 | 830 | 171491 | |
| Bois-d’Arcy | city | France | 48.80 | 2.02 | 830 | 171491 | |
| Boisemont | city | France | 49.02 | 2.01 | 321 | 119308 | |
| Boissets | city | France | 48.86 | 1.58 | 830 | 5777 | |
| Boissière-Ecole | city | France | 48.68 | 1.65 | 830 | 3969 | |
| Boissy | city | France | 48.75 | 2.51 | 298 | 248524 | |
| Boissy | city | France | 49.08 | 2.03 | 252 | 80581 | |
| Boissy | city | France | 48.47 | 2.28 | 830 | 11447 | |
| Boissy | city | France | 48.37 | 2.15 | 383 | 10443 | |
| Boissy | city | France | 48.96 | 1.58 | 830 | 7973 | |
| Boissy | city | France | 48.82 | 1.80 | 295 | 15628 | |
| Boissy | city | France | 48.55 | 2.21 | 311 | 37614 | |
| Boissy | city | France | 48.48 | 2.09 | 830 | 7113 | |
| Boissy-Mauvoisin | city | France | 48.96 | 1.58 | 830 | 7973 | |
| Boissy-Saint-Leger | city | France | 48.75 | 2.51 | 298 | 248524 | |
| Boissy-l'Aillerie | city | France | 49.08 | 2.03 | 252 | 80581 | |
| Boissy-la-Rivière | city | France | 48.37 | 2.15 | 383 | 10443 | |
| Boissy-le-Cutte | city | France | 48.47 | 2.28 | 830 | 11447 | |
| Boissy-le-Sec | city | France | 48.48 | 2.09 | 830 | 7113 | |
| Boissy-l’Aillerie | city | France | 49.08 | 2.03 | 252 | 80581 | |
| Boissy-sans-Avoir | city | France | 48.82 | 1.80 | 295 | 15628 | |
| Boissy-sous-Saint-Yon | city | France | 48.55 | 2.21 | 311 | 37614 | |
| Bondoufle | city | France | 48.61 | 2.38 | 262 | 150202 | |
| Bondy | city | France | 48.90 | 2.49 | 196 | 563515 | |
| Bonnal | city | France | 47.51 | 6.36 | 898 | 2861 | |
| Bonnelles | city | France | 48.62 | 2.03 | 390 | 11680 | |
| Bonneuil | city | France | 48.97 | 2.43 | 183 | 334818 | |
| Bonneuil | city | France | 48.77 | 2.48 | 118 | 390050 | |
| Bonneuil-en-France | city | France | 48.97 | 2.43 | 183 | 334818 | |
| Bonneuil-sur-Marne | city | France | 48.77 | 2.48 | 118 | 390050 | |
| Bonnevaux | city | France | 48.38 | 2.39 | 393 | 7345 | |
| Bonneville | city | France | 48.56 | 2.28 | 272 | 52480 | |
| Bonnieres-sur-Seine | city | France | 49.04 | 1.58 | 200 | 16831 | |
| Bonnières | city | France | 49.04 | 1.58 | 200 | 16831 | |
| Bononia ad Sequanam | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Bonvilliers | city | France | 48.42 | 2.22 | 830 | 12769 | |
| Bouafle | city | France | 48.96 | 1.90 | 265 | 69315 | |
| Bouffémont | city | France | 49.04 | 2.30 | 377 | 86526 | |
| Bougivais | city | France | 48.86 | 2.14 | 830 | 293628 | |
| Bougival | city | France | 48.86 | 2.14 | 830 | 293628 | |
| Boulincourt | city | France | 48.85 | 1.78 | 367 | 11381 | |
| Boullay | city | France | 48.68 | 2.05 | 830 | 24886 | |
| Boullay-les-Troux | city | France | 48.68 | 2.05 | 830 | 24886 | |
| Boulogne | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Boulogne e Billancourt | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Boulogne-Billancourt | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Boulogne-sur-Seine | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Bouqueval | city | France | 49.02 | 2.43 | 298 | 140772 | |
| Bouray | city | France | 48.52 | 2.30 | 246 | 27544 | |
| Bouray-sur-Juine | city | France | 48.52 | 2.30 | 246 | 27544 | |
| Bourdonne | city | France | 48.76 | 1.66 | 390 | 5813 | |
| Bourg | city | France | 48.78 | 2.32 | 265 | 728552 | |
| Bourg la Reine | city | France | 48.78 | 2.32 | 265 | 728552 | |
| Bourg-la-Reine | city | France | 48.78 | 2.32 | 265 | 728552 | |
| Bourge la Reine | city | France | 48.78 | 2.32 | 265 | 728552 | |
| Bourgneuf | city | France | 48.60 | 2.00 | 308 | 8379 | |
| Boussy-Saint-Antoine | city | France | 48.69 | 2.53 | 147 | 124949 | |
| Boutervilliers | city | France | 48.45 | 2.06 | 830 | 4180 | |
| Boutigny | city | France | 48.43 | 2.38 | 249 | 12067 | |
| Boutigny-sur Essonne | city | France | 48.43 | 2.38 | 249 | 12067 | |
| Boutigny-sur-Essonne | city | France | 48.43 | 2.38 | 249 | 12067 | |
| Boutigny-sur-Essonnes | city | France | 48.43 | 2.38 | 249 | 12067 | |
| Bouville | city | France | 48.43 | 2.28 | 232 | 4304 | |
| Bouville | city | France | 48.57 | 2.07 | 357 | 11058 | |
| Bray | city | France | 49.14 | 1.66 | 183 | 5330 | |
| Bray-Lu | city | France | 49.14 | 1.66 | 183 | 5330 | |
| Bray-et-Lu | city | France | 49.14 | 1.66 | 183 | 5330 | |
| Brethencourt | city | France | 48.51 | 1.92 | 830 | 5876 | |
| Bretigny-sur-Orge | city | France | 48.62 | 2.31 | 259 | 146204 | |
| Bretonville | city | France | 48.50 | 1.86 | 830 | 4510 | |
| Breuil | city | France | 48.95 | 1.72 | 830 | 61889 | |
| Breuil | city | France | 49.22 | 1.72 | 830 | 4335 | |
| Breuil | city | France | 49.03 | 1.82 | 278 | 21897 | |
| Breuil-Bois-Robert | city | France | 48.95 | 1.72 | 830 | 61889 | |
| Breuil-en-Vexin | city | France | 49.03 | 1.82 | 278 | 21897 | |
| Breuillet | city | France | 48.57 | 2.17 | 308 | 28693 | |
| Breux | city | France | 48.56 | 2.17 | 200 | 27612 | |
| Breux-Jouy | city | France | 48.56 | 2.17 | 200 | 27612 | |
| Breux-Saint-Yon | city | France | 48.56 | 2.17 | 200 | 27612 | |
| Brieres | city | France | 48.46 | 2.14 | 262 | 24566 | |
| Brignancourt | city | France | 49.14 | 1.95 | 272 | 9407 | |
| Briis | city | France | 48.62 | 2.12 | 360 | 20253 | |
| Briis-sous-Forges | city | France | 48.62 | 2.12 | 360 | 20253 | |
| Brinoa | city | France | 48.69 | 2.49 | 269 | 166764 | |
| Brières-les-Scellés | city | France | 48.46 | 2.14 | 262 | 24566 | |
| Brouy | city | France | 48.32 | 2.28 | 830 | 1735 | |
| Brueil | city | France | 49.03 | 1.82 | 278 | 21897 | |
| Brueil-en-Vexin | city | France | 49.03 | 1.82 | 278 | 21897 | |
| Brunel | city | France | 48.82 | 1.60 | 410 | 8934 | |
| Brunoy | city | France | 48.69 | 2.49 | 269 | 166764 | |
| Bruyeres | city | France | 49.16 | 2.33 | 88 | 33844 | |
| Bruyeres-le-Chatel | city | France | 48.59 | 2.19 | 226 | 38542 | |
| Bruyères | city | France | 48.59 | 2.19 | 226 | 38542 | |
| Bruyères-sur-Oise | city | France | 49.16 | 2.33 | 88 | 33844 | |
| Bry | city | France | 48.84 | 2.52 | 311 | 504015 | |
| Bry-sur-Marne | city | France | 48.84 | 2.52 | 311 | 504015 | |
| Bréançon | city | France | 49.14 | 2.02 | 830 | 7860 | |
| Bréau-sans-Nappe | city | France | 48.50 | 1.89 | 830 | 4748 | |
| Brétigny | city | France | 48.62 | 2.31 | 259 | 146204 | |
| Bréval | city | France | 48.95 | 1.53 | 830 | 6546 | |
| Brévannes | city | France | 48.75 | 2.49 | 282 | 302432 | |
| Buc | city | France | 48.78 | 2.13 | 387 | 169146 | |
| Buchelay | city | France | 48.98 | 1.67 | 219 | 80602 | |
| Buchet | city | France | 49.20 | 1.71 | 344 | 4148 | |
| Buhy | city | France | 49.19 | 1.69 | 360 | 4656 | |
| Bullion | city | France | 48.62 | 1.99 | 377 | 7572 | |
| Bulonė-Bijankūras | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Buloyer | city | France | 48.75 | 2.03 | 830 | 111712 | |
| Buloņa-Bijankūra | city | France | 48.84 | 2.25 | 98 | 903459 | |
| Buno | city | France | 48.36 | 2.39 | 387 | 6741 | |
| Buno-Bonnevaux | city | France | 48.36 | 2.39 | 387 | 6741 | |
| Bures | city | France | 48.70 | 2.17 | 282 | 97879 | |
| Bures-Orsay | city | France | 48.70 | 2.17 | 282 | 97879 | |
| Bures-sur-Yvette | city | France | 48.70 | 2.17 | 282 | 97879 | |
| Burgivallis | city | France | 48.86 | 2.14 | 830 | 293628 | |
| Butry | city | France | 49.09 | 2.20 | 141 | 49145 | |
| Butry-sur-Oise | city | France | 49.09 | 2.20 | 141 | 49145 | |
| Béhoust | city | France | 48.83 | 1.72 | 406 | 8720 | |
| Bă-là̤ | city | France | 48.87 | 2.33 | 114 | 1811717 |