| Welling to Cocentaina | 878.88 mi (1,414.43 km) |
| Welling to Coin | 1,049.57 mi (1,689.12 km) |
| Welling to Colindres | 581.19 mi (935.34 km) |
| Welling to Collado-Villalba | 773.32 mi (1,244.53 km) |
| Welling to Colmenar Viejo | 768.74 mi (1,237.17 km) |
| Welling to Colmenarejo | 778.30 mi (1,252.55 km) |
| Welling to Conil de la Frontera | 1,093.12 mi (1,759.21 km) |
| Welling to Consuegra | 847.99 mi (1,364.71 km) |
| Welling to Corbera de Llobregat | 699.21 mi (1,125.27 km) |
| Welling to Cordoba | 967.65 mi (1,557.29 km) |
| Welling to Coria del Rio | 1,024.72 mi (1,649.12 km) |
| Welling to Crevillente | 913.87 mi (1,470.73 km) |
| Welling to Cuarte de Huerva | 684.10 mi (1,100.95 km) |
| Welling to Cubellas | 712.04 mi (1,145.92 km) |
| Welling to Cuellar | 725.85 mi (1,168.14 km) |
