| Great Neck to Cortona | 4,195.39 mi (6,751.83 km) |
| Great Neck to Cosenza | 4,528.37 mi (7,287.71 km) |
| Great Neck to Cossato | 3,954.15 mi (6,363.59 km) |
| Great Neck to Costa Volpino | 4,028.56 mi (6,483.35 km) |
| Great Neck to Creazzo | 4,097.14 mi (6,593.71 km) |
| Great Neck to Crema | 4,025.75 mi (6,478.82 km) |
| Great Neck to Cremona | 4,048.35 mi (6,515.19 km) |
| Great Neck to Crevalcore | 4,110.09 mi (6,614.56 km) |
| Great Neck to Crispiano | 4,521.85 mi (7,277.21 km) |
| Great Neck to Crosia | 4,541.03 mi (7,308.08 km) |
| Great Neck to Crotone | 4,575.23 mi (7,363.12 km) |
| Great Neck to Cuneo | 3,964.64 mi (6,380.47 km) |
| Great Neck to Cuorgne | 3,937.34 mi (6,336.54 km) |
| Great Neck to Cusano Milanino | 3,998.41 mi (6,434.81 km) |
| Great Neck to Cutro | 4,571.23 mi (7,356.68 km) |
