| Castanet-Tolosan to Beuvry | 487.11 mi (783.92 km) |
| Castanet-Tolosan to Beziers | 87.12 mi (140.21 km) |
| Castanet-Tolosan to Bezons | 375.40 mi (604.15 km) |
| Castanet-Tolosan to Biarritz | 153.28 mi (246.69 km) |
| Castanet-Tolosan to Biganos | 145.55 mi (234.25 km) |
| Castanet-Tolosan to Billere | 96.26 mi (154.92 km) |
| Castanet-Tolosan to Biot | 280.26 mi (451.03 km) |
| Castanet-Tolosan to Biscarrosse | 145.62 mi (234.35 km) |
| Castanet-Tolosan to Bischheim | 462.25 mi (743.92 km) |
| Castanet-Tolosan to Bischwiller | 473.25 mi (761.62 km) |
| Castanet-Tolosan to Blagnac | 9.93 mi (15.98 km) |
| Castanet-Tolosan to Blain | 315.90 mi (508.39 km) |
| Castanet-Tolosan to Blanquefort | 143.08 mi (230.27 km) |
| Castanet-Tolosan to Blois | 281.90 mi (453.68 km) |
| Castanet-Tolosan to Bobigny | 375.46 mi (604.24 km) |
