| Gex to Brie-Comte-Robert | 228.96 mi (368.47 km) |
| Gex to Brignais | 77.39 mi (124.55 km) |
| Gex to Brignoles | 202.27 mi (325.52 km) |
| Gex to Brive-la-Gaillarde | 232.78 mi (374.63 km) |
| Gex to Bron | 68.51 mi (110.26 km) |
| Gex to Bruay-sur-l'Escaut | 303.68 mi (488.72 km) |
| Gex to Bruges | 337.50 mi (543.16 km) |
| Gex to Brumath | 182.73 mi (294.07 km) |
| Gex to Brunoy | 232.74 mi (374.55 km) |
| Gex to Bruz | 384.46 mi (618.73 km) |
| Gex to Bry-sur-Marne | 239.05 mi (384.72 km) |
| Gex to Bully-les-Mines | 322.38 mi (518.82 km) |
| Gex to Bures-sur-Yvette | 244.33 mi (393.21 km) |
| Gex to Bussy-Saint-Georges | 233.53 mi (375.83 km) |
| Gex to Buxerolles | 272.23 mi (438.11 km) |
