| Milford Haven to Bougival | 372.94 mi (600.19 km) |
| Milford Haven to Bouguenais | 349.01 mi (561.68 km) |
| Milford Haven to Boulogne-Billancourt | 377.91 mi (608.19 km) |
| Milford Haven to Boulogne-sur-Mer | 295.96 mi (476.30 km) |
| Milford Haven to Bourg-de-Peage | 652.59 mi (1,050.24 km) |
| Milford Haven to Bourg-en-Bresse | 600.70 mi (966.73 km) |
| Milford Haven to Bourg-la-Reine | 382.87 mi (616.17 km) |
| Milford Haven to Bourg-les-Valence | 652.33 mi (1,049.82 km) |
| Milford Haven to Bourges | 462.40 mi (744.17 km) |
| Milford Haven to Bourgoin-Jallieu | 632.19 mi (1,017.41 km) |
| Milford Haven to Bressuire | 394.23 mi (634.45 km) |
| Milford Haven to Brest | 230.98 mi (371.73 km) |
| Milford Haven to Bretigny-sur-Orge | 389.27 mi (626.47 km) |
| Milford Haven to Breuillet | 386.20 mi (621.53 km) |
| Milford Haven to Briancon | 712.60 mi (1,146.81 km) |
