| Altdorf to Cocentaina | 724.56 mi (1,166.07 km) |
| Altdorf to Coin | 983.43 mi (1,582.67 km) |
| Altdorf to Colindres | 634.99 mi (1,021.92 km) |
| Altdorf to Collado-Villalba | 762.46 mi (1,227.06 km) |
| Altdorf to Colmenar Viejo | 751.43 mi (1,209.32 km) |
| Altdorf to Colmenarejo | 765.94 mi (1,232.66 km) |
| Altdorf to Conil de la Frontera | 1,052.71 mi (1,694.17 km) |
| Altdorf to Consuegra | 799.77 mi (1,287.11 km) |
| Altdorf to Corbera de Llobregat | 501.82 mi (807.61 km) |
| Altdorf to Cordoba | 921.70 mi (1,483.33 km) |
| Altdorf to Coria del Rio | 999.78 mi (1,608.99 km) |
| Altdorf to Crevillente | 764.01 mi (1,229.56 km) |
| Altdorf to Cuarte de Huerva | 596.64 mi (960.20 km) |
| Altdorf to Cubellas | 521.36 mi (839.04 km) |
| Altdorf to Cuellar | 743.49 mi (1,196.53 km) |
