| Central Islip to Cocentaina | 3,750.03 mi (6,035.09 km) |
| Central Islip to Coin | 3,605.15 mi (5,801.94 km) |
| Central Islip to Colindres | 3,472.95 mi (5,589.18 km) |
| Central Islip to Collado-Villalba | 3,522.55 mi (5,669.00 km) |
| Central Islip to Colmenar Viejo | 3,533.40 mi (5,686.45 km) |
| Central Islip to Colmenarejo | 3,524.21 mi (5,671.67 km) |
| Central Islip to Conil de la Frontera | 3,551.56 mi (5,715.68 km) |
| Central Islip to Consuegra | 3,575.87 mi (5,754.81 km) |
| Central Islip to Corbera de Llobregat | 3,779.33 mi (6,082.24 km) |
| Central Islip to Cordoba | 3,566.15 mi (5,739.16 km) |
| Central Islip to Coria del Rio | 3,521.93 mi (5,667.99 km) |
| Central Islip to Crevillente | 3,747.94 mi (6,031.73 km) |
| Central Islip to Cuarte de Huerva | 3,641.46 mi (5,860.36 km) |
| Central Islip to Cubellas | 3,773.66 mi (6,073.12 km) |
| Central Islip to Cuellar | 3,486.43 mi (5,610.86 km) |
