| Thorne to Bougival | 353.98 mi (569.68 km) |
| Thorne to Bouguenais | 445.28 mi (716.61 km) |
| Thorne to Boulogne-Billancourt | 357.58 mi (575.46 km) |
| Thorne to Boulogne-sur-Mer | 226.99 mi (365.30 km) |
| Thorne to Bourg-de-Peage | 650.49 mi (1,046.87 km) |
| Thorne to Bourg-en-Bresse | 580.36 mi (933.99 km) |
| Thorne to Bourg-la-Reine | 362.39 mi (583.22 km) |
| Thorne to Bourg-les-Valence | 653.45 mi (1,051.63 km) |
| Thorne to Bourges | 474.27 mi (763.26 km) |
| Thorne to Bourgoin-Jallieu | 620.01 mi (997.81 km) |
| Thorne to Bressuire | 468.10 mi (753.34 km) |
| Thorne to Brest | 391.77 mi (630.49 km) |
| Thorne to Bretigny-sur-Orge | 373.06 mi (600.38 km) |
| Thorne to Breuillet | 373.83 mi (601.62 km) |
| Thorne to Briancon | 691.67 mi (1,113.14 km) |
