| Mountain Ash to Brie-Comte-Robert | 335.79 mi (540.40 km) |
| Mountain Ash to Brignais | 556.08 mi (894.93 km) |
| Mountain Ash to Brignoles | 720.45 mi (1,159.44 km) |
| Mountain Ash to Brive-la-Gaillarde | 503.56 mi (810.40 km) |
| Mountain Ash to Bron | 557.45 mi (897.12 km) |
| Mountain Ash to Bruay-sur-l'Escaut | 313.24 mi (504.11 km) |
| Mountain Ash to Bruges | 486.56 mi (783.05 km) |
| Mountain Ash to Brumath | 530.28 mi (853.41 km) |
| Mountain Ash to Brunoy | 331.84 mi (534.05 km) |
| Mountain Ash to Bruz | 262.90 mi (423.10 km) |
| Mountain Ash to Bry-sur-Marne | 326.11 mi (524.83 km) |
| Mountain Ash to Bully-les-Mines | 278.44 mi (448.10 km) |
| Mountain Ash to Bures-sur-Yvette | 320.16 mi (515.25 km) |
| Mountain Ash to Bussy-Saint-Georges | 332.30 mi (534.79 km) |
| Mountain Ash to Buxerolles | 389.47 mi (626.80 km) |
