| Central Islip to Cernavoda | 4,798.34 mi (7,722.19 km) |
| Central Islip to Chitila | 4,710.36 mi (7,580.59 km) |
| Central Islip to Cisnadie | 4,589.30 mi (7,385.76 km) |
| Central Islip to Cluj-Napoca | 4,525.60 mi (7,283.26 km) |
| Central Islip to Codlea | 4,640.84 mi (7,468.71 km) |
| Central Islip to Comanesti | 4,650.30 mi (7,483.93 km) |
| Central Islip to Comarnic | 4,666.38 mi (7,509.81 km) |
| Central Islip to Constanta | 4,829.07 mi (7,771.63 km) |
| Central Islip to Corabia | 4,681.03 mi (7,533.39 km) |
| Central Islip to Costesti | 4,659.96 mi (7,499.48 km) |
| Central Islip to Covasna | 4,663.63 mi (7,505.39 km) |
| Central Islip to Craiova | 4,630.81 mi (7,452.56 km) |
| Central Islip to Cristuru Secuiesc | 4,601.02 mi (7,404.62 km) |
| Central Islip to Cugir | 4,552.98 mi (7,327.31 km) |
| Central Islip to Cumpana | 4,828.32 mi (7,770.43 km) |
