| Thornbury to Bougival | 279.98 mi (450.58 km) |
| Thornbury to Bouguenais | 308.89 mi (497.11 km) |
| Thornbury to Boulogne-Billancourt | 284.72 mi (458.21 km) |
| Thornbury to Boulogne-sur-Mer | 189.41 mi (304.82 km) |
| Thornbury to Bourg-de-Peage | 571.43 mi (919.63 km) |
| Thornbury to Bourg-en-Bresse | 512.67 mi (825.07 km) |
| Thornbury to Bourg-la-Reine | 289.82 mi (466.42 km) |
| Thornbury to Bourg-les-Valence | 572.34 mi (921.09 km) |
| Thornbury to Bourges | 382.98 mi (616.35 km) |
| Thornbury to Bourgoin-Jallieu | 547.27 mi (880.74 km) |
| Thornbury to Bressuire | 342.07 mi (550.51 km) |
| Thornbury to Brest | 238.92 mi (384.51 km) |
| Thornbury to Bretigny-sur-Orge | 297.75 mi (479.18 km) |
| Thornbury to Breuillet | 295.79 mi (476.02 km) |
| Thornbury to Briancon | 625.76 mi (1,007.06 km) |
