| Os to Brie-Comte-Robert | 805.02 mi (1,295.55 km) |
| Os to Brignais | 1,005.95 mi (1,618.92 km) |
| Os to Brignoles | 1,162.48 mi (1,870.84 km) |
| Os to Brive-la-Gaillarde | 1,053.69 mi (1,695.75 km) |
| Os to Bron | 1,001.25 mi (1,611.36 km) |
| Os to Bruay-sur-l'Escaut | 683.27 mi (1,099.62 km) |
| Os to Bruges | 1,089.47 mi (1,753.33 km) |
| Os to Brumath | 799.15 mi (1,286.11 km) |
| Os to Brunoy | 805.26 mi (1,295.94 km) |
| Os to Bruz | 891.09 mi (1,434.07 km) |
| Os to Bry-sur-Marne | 795.34 mi (1,279.98 km) |
| Os to Bully-les-Mines | 684.52 mi (1,101.62 km) |
| Os to Bures-sur-Yvette | 807.45 mi (1,299.46 km) |
| Os to Bussy-Saint-Georges | 794.27 mi (1,278.25 km) |
| Os to Buxerolles | 964.36 mi (1,551.99 km) |
