| River Ridge to Cocentaina | 4,949.20 mi (7,964.96 km) |
| River Ridge to Coin | 4,789.76 mi (7,708.38 km) |
| River Ridge to Colindres | 4,681.50 mi (7,534.14 km) |
| River Ridge to Collado-Villalba | 4,723.77 mi (7,602.17 km) |
| River Ridge to Colmenar Viejo | 4,734.93 mi (7,620.14 km) |
| River Ridge to Colmenarejo | 4,725.19 mi (7,604.45 km) |
| River Ridge to Conil de la Frontera | 4,731.77 mi (7,615.04 km) |
| River Ridge to Consuegra | 4,773.66 mi (7,682.47 km) |
| River Ridge to Corbera de Llobregat | 4,987.41 mi (8,026.46 km) |
| River Ridge to Cordoba | 4,756.21 mi (7,654.38 km) |
| River Ridge to Coria del Rio | 4,707.23 mi (7,575.56 km) |
| River Ridge to Crevillente | 4,945.00 mi (7,958.21 km) |
| River Ridge to Cuarte de Huerva | 4,847.89 mi (7,801.92 km) |
| River Ridge to Cubellas | 4,981.17 mi (8,016.42 km) |
| River Ridge to Cuellar | 4,689.64 mi (7,547.25 km) |
