| Calexico to Cocentaina | 5,980.76 mi (9,625.10 km) |
| Calexico to Coin | 5,888.04 mi (9,475.88 km) |
| Calexico to Colindres | 5,656.48 mi (9,103.22 km) |
| Calexico to Collado-Villalba | 5,751.29 mi (9,255.81 km) |
| Calexico to Colmenar Viejo | 5,760.22 mi (9,270.18 km) |
| Calexico to Colmenarejo | 5,754.02 mi (9,260.20 km) |
| Calexico to Conil de la Frontera | 5,846.06 mi (9,408.32 km) |
| Calexico to Consuegra | 5,817.97 mi (9,363.12 km) |
| Calexico to Corbera de Llobregat | 5,954.85 mi (9,583.41 km) |
| Calexico to Cordoba | 5,835.20 mi (9,390.85 km) |
| Calexico to Coria del Rio | 5,805.17 mi (9,342.51 km) |
| Calexico to Crevillente | 5,987.62 mi (9,636.14 km) |
| Calexico to Cuarte de Huerva | 5,835.51 mi (9,391.35 km) |
| Calexico to Cubellas | 5,954.28 mi (9,582.49 km) |
| Calexico to Cuellar | 5,706.20 mi (9,183.25 km) |
