| Galveston to Cocentaina | 5,205.90 mi (8,378.08 km) |
| Galveston to Coin | 5,053.44 mi (8,132.73 km) |
| Galveston to Colindres | 4,930.07 mi (7,934.18 km) |
| Galveston to Collado-Villalba | 4,979.04 mi (8,013.00 km) |
| Galveston to Colmenar Viejo | 4,989.99 mi (8,030.61 km) |
| Galveston to Colmenarejo | 4,980.63 mi (8,015.55 km) |
| Galveston to Conil de la Frontera | 4,996.99 mi (8,041.88 km) |
| Galveston to Consuegra | 5,031.14 mi (8,096.85 km) |
| Galveston to Corbera de Llobregat | 5,236.52 mi (8,427.36 km) |
| Galveston to Cordoba | 5,017.62 mi (8,075.09 km) |
| Galveston to Coria del Rio | 4,970.59 mi (7,999.39 km) |
| Galveston to Crevillente | 5,202.97 mi (8,373.38 km) |
| Galveston to Cuarte de Huerva | 5,098.85 mi (8,205.80 km) |
| Galveston to Cubellas | 5,230.96 mi (8,418.41 km) |
| Galveston to Cuellar | 4,943.44 mi (7,955.70 km) |
