| East Islip to Cocentaina | 3,751.26 mi (6,037.07 km) |
| East Islip to Coin | 3,606.10 mi (5,803.45 km) |
| East Islip to Colindres | 3,474.46 mi (5,591.60 km) |
| East Islip to Collado-Villalba | 3,523.82 mi (5,671.04 km) |
| East Islip to Colmenar Viejo | 3,534.68 mi (5,688.51 km) |
| East Islip to Colmenarejo | 3,525.47 mi (5,673.70 km) |
| East Islip to Conil de la Frontera | 3,552.43 mi (5,717.08 km) |
| East Islip to Consuegra | 3,577.06 mi (5,756.73 km) |
| East Islip to Corbera de Llobregat | 3,780.81 mi (6,084.63 km) |
| East Islip to Cordoba | 3,567.18 mi (5,740.82 km) |
| East Islip to Coria del Rio | 3,522.88 mi (5,669.52 km) |
| East Islip to Crevillente | 3,749.12 mi (6,033.63 km) |
| East Islip to Cuarte de Huerva | 3,642.88 mi (5,862.65 km) |
| East Islip to Cubellas | 3,775.13 mi (6,075.48 km) |
| East Islip to Cuellar | 3,487.75 mi (5,612.99 km) |
