| Marlborough to Bougival | 3,448.74 mi (5,550.22 km) |
| Marlborough to Bouguenais | 3,330.33 mi (5,359.64 km) |
| Marlborough to Boulogne-Billancourt | 3,453.80 mi (5,558.35 km) |
| Marlborough to Boulogne-sur-Mer | 3,380.56 mi (5,440.48 km) |
| Marlborough to Bourg-de-Peage | 3,682.24 mi (5,925.99 km) |
| Marlborough to Bourg-en-Bresse | 3,654.74 mi (5,881.74 km) |
| Marlborough to Bourg-la-Reine | 3,458.37 mi (5,565.71 km) |
| Marlborough to Bourg-les-Valence | 3,678.22 mi (5,919.52 km) |
| Marlborough to Bourges | 3,507.32 mi (5,644.48 km) |
| Marlborough to Bourgoin-Jallieu | 3,675.30 mi (5,914.82 km) |
| Marlborough to Bressuire | 3,388.54 mi (5,453.33 km) |
| Marlborough to Brest | 3,176.48 mi (5,112.05 km) |
| Marlborough to Bretigny-sur-Orge | 3,462.38 mi (5,572.16 km) |
| Marlborough to Breuillet | 3,457.88 mi (5,564.92 km) |
| Marlborough to Briancon | 3,755.87 mi (6,044.49 km) |
