| Rancho San Diego to Cocentaina | 6,035.23 mi (9,712.76 km) |
| Rancho San Diego to Coin | 5,946.52 mi (9,569.99 km) |
| Rancho San Diego to Colindres | 5,708.55 mi (9,187.03 km) |
| Rancho San Diego to Collado-Villalba | 5,806.08 mi (9,343.98 km) |
| Rancho San Diego to Colmenar Viejo | 5,814.86 mi (9,358.11 km) |
| Rancho San Diego to Colmenarejo | 5,808.87 mi (9,348.47 km) |
| Rancho San Diego to Conil de la Frontera | 5,905.53 mi (9,504.04 km) |
| Rancho San Diego to Consuegra | 5,873.55 mi (9,452.56 km) |
| Rancho San Diego to Corbera de Llobregat | 6,005.72 mi (9,665.28 km) |
| Rancho San Diego to Cordoba | 5,892.70 mi (9,483.39 km) |
| Rancho San Diego to Coria del Rio | 5,863.80 mi (9,436.87 km) |
| Rancho San Diego to Crevillente | 6,042.70 mi (9,724.79 km) |
| Rancho San Diego to Cuarte de Huerva | 5,887.84 mi (9,475.56 km) |
| Rancho San Diego to Cubellas | 6,005.48 mi (9,664.89 km) |
| Rancho San Diego to Cuellar | 5,760.48 mi (9,270.60 km) |
