| Castres to Bougival | 363.81 mi (585.50 km) |
| Castres to Bouguenais | 310.38 mi (499.50 km) |
| Castres to Boulogne-Billancourt | 361.72 mi (582.13 km) |
| Castres to Boulogne-sur-Mer | 493.28 mi (793.87 km) |
| Castres to Bourg-de-Peage | 170.36 mi (274.16 km) |
| Castres to Bourg-en-Bresse | 231.62 mi (372.75 km) |
| Castres to Bourg-la-Reine | 357.89 mi (575.97 km) |
| Castres to Bourg-les-Valence | 160.59 mi (258.45 km) |
| Castres to Bourges | 240.85 mi (387.62 km) |
| Castres to Bourgoin-Jallieu | 202.37 mi (325.68 km) |
| Castres to Bressuire | 260.50 mi (419.23 km) |
| Castres to Brest | 462.47 mi (744.28 km) |
| Castres to Bretigny-sur-Orge | 346.26 mi (557.26 km) |
| Castres to Breuillet | 343.14 mi (552.24 km) |
| Castres to Briancon | 234.73 mi (377.76 km) |
