| Mountain Ash to Bois-Colombes | 313.85 mi (505.09 km) |
| Mountain Ash to Bois-d'Arcy | 310.93 mi (500.39 km) |
| Mountain Ash to Bois-Guillaume | 249.54 mi (401.60 km) |
| Mountain Ash to Boissy-Saint-Leger | 329.68 mi (530.57 km) |
| Mountain Ash to Bolbec | 222.97 mi (358.83 km) |
| Mountain Ash to Bollene | 633.84 mi (1,020.07 km) |
| Mountain Ash to Bondoufle | 331.45 mi (533.42 km) |
| Mountain Ash to Bondues | 288.22 mi (463.85 km) |
| Mountain Ash to Bondy | 322.07 mi (518.31 km) |
| Mountain Ash to Bonneuil-sur-Marne | 327.84 mi (527.61 km) |
| Mountain Ash to Bonneville | 588.45 mi (947.02 km) |
| Mountain Ash to Bordeaux | 489.82 mi (788.29 km) |
| Mountain Ash to Borgo | 869.51 mi (1,399.34 km) |
| Mountain Ash to Bouc-Bel-Air | 699.76 mi (1,126.15 km) |
| Mountain Ash to Boucau | 570.45 mi (918.05 km) |
