| Castanet-Tolosan to Bolsward | 685.21 mi (1,102.74 km) |
| Castanet-Tolosan to Borger | 693.74 mi (1,116.47 km) |
| Castanet-Tolosan to Borne | 653.44 mi (1,051.61 km) |
| Castanet-Tolosan to Boskoop | 608.52 mi (979.31 km) |
| Castanet-Tolosan to Boxmeer | 598.82 mi (963.71 km) |
| Castanet-Tolosan to Boxtel | 585.20 mi (941.79 km) |
| Castanet-Tolosan to Breda | 578.22 mi (930.55 km) |
| Castanet-Tolosan to Breukelen | 619.56 mi (997.09 km) |
| Castanet-Tolosan to Brielle | 592.33 mi (953.27 km) |
| Castanet-Tolosan to Bronkhorst | 630.31 mi (1,014.38 km) |
| Castanet-Tolosan to Brummen | 629.78 mi (1,013.54 km) |
| Castanet-Tolosan to Brunssum | 554.54 mi (892.45 km) |
| Castanet-Tolosan to Bunnik | 614.43 mi (988.82 km) |
| Castanet-Tolosan to Burgum | 699.96 mi (1,126.48 km) |
| Castanet-Tolosan to Bussum | 628.96 mi (1,012.21 km) |
