| Castanet-Tolosan to Bagnolet | 372.50 mi (599.48 km) |
| Castanet-Tolosan to Bagnols-sur-Ceze | 161.86 mi (260.50 km) |
| Castanet-Tolosan to Bailleul | 502.34 mi (808.43 km) |
| Castanet-Tolosan to Balma | 6.54 mi (10.53 km) |
| Castanet-Tolosan to Bar-le-Duc | 403.29 mi (649.03 km) |
| Castanet-Tolosan to Barentin | 417.35 mi (671.66 km) |
| Castanet-Tolosan to Basse-Goulaine | 293.28 mi (471.98 km) |
| Castanet-Tolosan to Bastia | 404.90 mi (651.62 km) |
| Castanet-Tolosan to Bayeux | 411.73 mi (662.61 km) |
| Castanet-Tolosan to Bayonne | 149.25 mi (240.20 km) |
| Castanet-Tolosan to Beaucaire | 158.49 mi (255.06 km) |
| Castanet-Tolosan to Beauchamp | 381.33 mi (613.68 km) |
| Castanet-Tolosan to Beaumont | 173.03 mi (278.47 km) |
| Castanet-Tolosan to Beaumont-sur-Oise | 390.59 mi (628.59 km) |
| Castanet-Tolosan to Beaune | 291.82 mi (469.64 km) |
