| South Houston to Cocentaina | 5,205.23 mi (8,377.00 km) |
| South Houston to Coin | 5,054.89 mi (8,135.06 km) |
| South Houston to Colindres | 4,927.32 mi (7,929.75 km) |
| South Houston to Collado-Villalba | 4,978.02 mi (8,011.35 km) |
| South Houston to Colmenar Viejo | 4,988.90 mi (8,028.86 km) |
| South Houston to Colmenarejo | 4,979.65 mi (8,013.97 km) |
| South Houston to Conil de la Frontera | 4,998.95 mi (8,045.04 km) |
| South Houston to Consuegra | 5,030.73 mi (8,096.18 km) |
| South Houston to Corbera de Llobregat | 5,233.83 mi (8,423.03 km) |
| South Houston to Cordoba | 5,018.37 mi (8,076.28 km) |
| South Houston to Coria del Rio | 4,971.95 mi (8,001.57 km) |
| South Houston to Crevillente | 5,202.66 mi (8,372.88 km) |
| South Houston to Cuarte de Huerva | 5,096.66 mi (8,202.28 km) |
| South Houston to Cubellas | 5,228.44 mi (8,414.36 km) |
| South Houston to Cuellar | 4,942.02 mi (7,953.42 km) |
