| Castelsarrasin to Bois-Colombes | 341.49 mi (549.58 km) |
| Castelsarrasin to Bois-d'Arcy | 331.91 mi (534.16 km) |
| Castelsarrasin to Bois-Guillaume | 375.18 mi (603.79 km) |
| Castelsarrasin to Boissy-Saint-Leger | 332.23 mi (534.67 km) |
| Castelsarrasin to Bolbec | 383.41 mi (617.04 km) |
| Castelsarrasin to Bollene | 181.27 mi (291.73 km) |
| Castelsarrasin to Bondoufle | 321.76 mi (517.83 km) |
| Castelsarrasin to Bondues | 469.52 mi (755.62 km) |
| Castelsarrasin to Bondy | 342.25 mi (550.80 km) |
| Castelsarrasin to Bonneuil-sur-Marne | 333.63 mi (536.93 km) |
| Castelsarrasin to Bonneville | 294.19 mi (473.46 km) |
| Castelsarrasin to Bordeaux | 99.90 mi (160.77 km) |
| Castelsarrasin to Borgo | 430.62 mi (693.02 km) |
| Castelsarrasin to Bouc-Bel-Air | 218.75 mi (352.04 km) |
| Castelsarrasin to Boucau | 134.20 mi (215.98 km) |
