| Elk River to Cocentaina | 4,523.43 mi (7,279.75 km) |
| Elk River to Coin | 4,430.95 mi (7,130.92 km) |
| Elk River to Colindres | 4,202.24 mi (6,762.85 km) |
| Elk River to Collado-Villalba | 4,293.77 mi (6,910.15 km) |
| Elk River to Colmenar Viejo | 4,302.80 mi (6,924.68 km) |
| Elk River to Colmenarejo | 4,296.45 mi (6,914.46 km) |
| Elk River to Conil de la Frontera | 4,390.14 mi (7,065.26 km) |
| Elk River to Consuegra | 4,360.04 mi (7,016.81 km) |
| Elk River to Corbera de Llobregat | 4,502.68 mi (7,246.36 km) |
| Elk River to Cordoba | 4,377.41 mi (7,044.76 km) |
| Elk River to Coria del Rio | 4,348.23 mi (6,997.79 km) |
| Elk River to Crevillente | 4,529.89 mi (7,290.15 km) |
| Elk River to Cuarte de Huerva | 4,380.76 mi (7,050.15 km) |
| Elk River to Cubellas | 4,501.46 mi (7,244.40 km) |
| Elk River to Cuellar | 4,249.08 mi (6,838.23 km) |
