| Thorne to Cocentaina | 1,027.25 mi (1,653.19 km) |
| Thorne to Coin | 1,184.62 mi (1,906.46 km) |
| Thorne to Colindres | 714.59 mi (1,150.01 km) |
| Thorne to Collado-Villalba | 907.66 mi (1,460.74 km) |
| Thorne to Colmenar Viejo | 904.21 mi (1,455.19 km) |
| Thorne to Colmenarejo | 912.69 mi (1,468.83 km) |
| Thorne to Conil de la Frontera | 1,223.33 mi (1,968.76 km) |
| Thorne to Consuegra | 985.31 mi (1,585.71 km) |
| Thorne to Corbera de Llobregat | 852.88 mi (1,372.59 km) |
| Thorne to Cordoba | 1,101.51 mi (1,772.72 km) |
| Thorne to Coria del Rio | 1,153.89 mi (1,857.01 km) |
| Thorne to Crevillente | 1,061.28 mi (1,707.96 km) |
| Thorne to Cuarte de Huerva | 830.85 mi (1,337.12 km) |
| Thorne to Cubellas | 865.28 mi (1,392.53 km) |
| Thorne to Cuellar | 857.62 mi (1,380.20 km) |
