| Castelsarrasin to Beausoleil | 315.12 mi (507.14 km) |
| Castelsarrasin to Beauvais | 375.35 mi (604.07 km) |
| Castelsarrasin to Begles | 97.40 mi (156.75 km) |
| Castelsarrasin to Belfort | 371.69 mi (598.17 km) |
| Castelsarrasin to Bellegarde-sur-Valserine | 270.89 mi (435.96 km) |
| Castelsarrasin to Bellerive-sur-Allier | 182.04 mi (292.97 km) |
| Castelsarrasin to Bellevue | 339.27 mi (546.01 km) |
| Castelsarrasin to Belley | 253.68 mi (408.26 km) |
| Castelsarrasin to Berck-sur-Mer | 440.59 mi (709.07 km) |
| Castelsarrasin to Bergerac | 63.94 mi (102.90 km) |
| Castelsarrasin to Bernay | 349.66 mi (562.72 km) |
| Castelsarrasin to Berre-l'Etang | 206.36 mi (332.11 km) |
| Castelsarrasin to Besancon | 324.25 mi (521.83 km) |
| Castelsarrasin to Bethune | 454.13 mi (730.86 km) |
| Castelsarrasin to Betton | 315.04 mi (507.00 km) |
