| Seabrook to Cocentaina | 3,978.20 mi (6,402.29 km) |
| Seabrook to Coin | 3,830.43 mi (6,164.47 km) |
| Seabrook to Colindres | 3,702.81 mi (5,959.10 km) |
| Seabrook to Collado-Villalba | 3,751.07 mi (6,036.76 km) |
| Seabrook to Colmenar Viejo | 3,761.98 mi (6,054.32 km) |
| Seabrook to Colmenarejo | 3,752.68 mi (6,039.35 km) |
| Seabrook to Conil de la Frontera | 3,775.91 mi (6,076.75 km) |
| Seabrook to Consuegra | 3,803.74 mi (6,121.53 km) |
| Seabrook to Corbera de Llobregat | 4,009.12 mi (6,452.06 km) |
| Seabrook to Cordoba | 3,792.49 mi (6,103.43 km) |
| Seabrook to Coria del Rio | 3,747.30 mi (6,030.70 km) |
| Seabrook to Crevillente | 3,975.71 mi (6,398.29 km) |
| Seabrook to Cuarte de Huerva | 3,870.96 mi (6,229.71 km) |
| Seabrook to Cubellas | 4,003.36 mi (6,442.79 km) |
| Seabrook to Cuellar | 3,715.32 mi (5,979.23 km) |
