| Orbetello to Bougival | 622.97 mi (1,002.57 km) |
| Orbetello to Bouguenais | 707.98 mi (1,139.38 km) |
| Orbetello to Boulogne-Billancourt | 618.17 mi (994.84 km) |
| Orbetello to Boulogne-sur-Mer | 730.58 mi (1,175.75 km) |
| Orbetello to Bourg-de-Peage | 356.04 mi (572.99 km) |
| Orbetello to Bourg-en-Bresse | 393.75 mi (633.67 km) |
| Orbetello to Bourg-la-Reine | 613.08 mi (986.66 km) |
| Orbetello to Bourg-les-Valence | 359.89 mi (579.19 km) |
| Orbetello to Bourges | 538.03 mi (865.88 km) |
| Orbetello to Bourgoin-Jallieu | 366.39 mi (589.64 km) |
| Orbetello to Bressuire | 649.74 mi (1,045.65 km) |
| Orbetello to Brest | 863.19 mi (1,389.16 km) |
| Orbetello to Bretigny-sur-Orge | 605.64 mi (974.69 km) |
| Orbetello to Breuillet | 608.22 mi (978.83 km) |
| Orbetello to Briancon | 284.78 mi (458.32 km) |
