| Commack to Cortona | 4,174.23 mi (6,717.78 km) |
| Commack to Cosenza | 4,506.87 mi (7,253.11 km) |
| Commack to Cossato | 3,933.15 mi (6,329.79 km) |
| Commack to Costa Volpino | 4,007.76 mi (6,449.87 km) |
| Commack to Creazzo | 4,076.38 mi (6,560.30 km) |
| Commack to Crema | 4,004.82 mi (6,445.13 km) |
| Commack to Cremona | 4,027.40 mi (6,481.48 km) |
| Commack to Crevalcore | 4,089.15 mi (6,580.85 km) |
| Commack to Crispiano | 4,500.64 mi (7,243.08 km) |
| Commack to Crosia | 4,519.62 mi (7,273.62 km) |
| Commack to Crotone | 4,553.76 mi (7,328.58 km) |
| Commack to Cuneo | 3,943.36 mi (6,346.23 km) |
| Commack to Cuorgne | 3,916.27 mi (6,302.63 km) |
| Commack to Cusano Milanino | 3,977.48 mi (6,401.13 km) |
| Commack to Cutro | 4,549.75 mi (7,322.11 km) |
