| Castanet-Tolosan to Chaudfontaine | 525.49 mi (845.70 km) |
| Castanet-Tolosan to Chaumont-Gistoux | 517.47 mi (832.78 km) |
| Castanet-Tolosan to Chimay | 470.67 mi (757.48 km) |
| Castanet-Tolosan to Ciney | 498.48 mi (802.23 km) |
| Castanet-Tolosan to Colfontaine | 488.75 mi (786.57 km) |
| Castanet-Tolosan to Courcelles | 498.36 mi (802.04 km) |
| Castanet-Tolosan to Court-Saint-Etienne | 512.43 mi (824.67 km) |
| Castanet-Tolosan to Couvin | 472.96 mi (761.15 km) |
| Castanet-Tolosan to Damme | 540.84 mi (870.39 km) |
| Castanet-Tolosan to De Haan | 540.75 mi (870.25 km) |
| Castanet-Tolosan to De Panne | 526.64 mi (847.55 km) |
| Castanet-Tolosan to De Pinte | 526.81 mi (847.82 km) |
| Castanet-Tolosan to Deerlijk | 514.37 mi (827.80 km) |
| Castanet-Tolosan to Deinze | 524.67 mi (844.37 km) |
| Castanet-Tolosan to Denderleeuw | 523.24 mi (842.07 km) |
