| Romulus to Bougival | 3,939.82 mi (6,340.53 km) |
| Romulus to Bouguenais | 3,840.56 mi (6,180.78 km) |
| Romulus to Boulogne-Billancourt | 3,944.86 mi (6,348.64 km) |
| Romulus to Boulogne-sur-Mer | 3,859.39 mi (6,211.09 km) |
| Romulus to Bourg-de-Peage | 4,191.28 mi (6,745.22 km) |
| Romulus to Bourg-en-Bresse | 4,156.31 mi (6,688.93 km) |
| Romulus to Bourg-la-Reine | 3,949.66 mi (6,356.37 km) |
| Romulus to Bourg-les-Valence | 4,188.16 mi (6,740.18 km) |
| Romulus to Bourges | 4,009.72 mi (6,453.03 km) |
| Romulus to Bourgoin-Jallieu | 4,180.55 mi (6,727.94 km) |
| Romulus to Bressuire | 3,898.65 mi (6,274.27 km) |
| Romulus to Brest | 3,684.09 mi (5,928.97 km) |
| Romulus to Bretigny-sur-Orge | 3,954.85 mi (6,364.71 km) |
| Romulus to Breuillet | 3,950.94 mi (6,358.43 km) |
| Romulus to Briancon | 4,262.01 mi (6,859.04 km) |
