| Gentilly to Bougival | 9.98 mi (16.07 km) |
| Gentilly to Bouguenais | 215.36 mi (346.58 km) |
| Gentilly to Boulogne-Billancourt | 4.95 mi (7.96 km) |
| Gentilly to Boulogne-sur-Mer | 136.13 mi (219.08 km) |
| Gentilly to Bourg-de-Peage | 290.38 mi (467.32 km) |
| Gentilly to Bourg-en-Bresse | 224.88 mi (361.90 km) |
| Gentilly to Bourg-la-Reine | 2.68 mi (4.32 km) |
| Gentilly to Bourg-les-Valence | 292.97 mi (471.49 km) |
| Gentilly to Bourges | 119.48 mi (192.28 km) |
| Gentilly to Bourgoin-Jallieu | 261.92 mi (421.53 km) |
| Gentilly to Bressuire | 189.34 mi (304.71 km) |
| Gentilly to Brest | 313.53 mi (504.57 km) |
| Gentilly to Bretigny-sur-Orge | 14.06 mi (22.63 km) |
| Gentilly to Breuillet | 18.81 mi (30.28 km) |
| Gentilly to Briancon | 338.06 mi (544.05 km) |
