| Port Royal to Corato | 5,121.67 mi (8,242.52 km) |
| Port Royal to Corbetta | 4,652.03 mi (7,486.72 km) |
| Port Royal to Corciano | 4,871.18 mi (7,839.41 km) |
| Port Royal to Cordenons | 4,802.77 mi (7,729.31 km) |
| Port Royal to Cori | 4,946.38 mi (7,960.42 km) |
| Port Royal to Coriano | 4,859.72 mi (7,820.97 km) |
| Port Royal to Corigliano Calabro | 5,179.89 mi (8,336.22 km) |
| Port Royal to Corleone | 5,088.53 mi (8,189.20 km) |
| Port Royal to Cormano | 4,660.78 mi (7,500.81 km) |
| Port Royal to Cornaredo | 4,656.27 mi (7,493.55 km) |
| Port Royal to Cornate d'Adda | 4,671.24 mi (7,517.64 km) |
| Port Royal to Cornedo Vicentino | 4,754.95 mi (7,652.36 km) |
| Port Royal to Correggio | 4,754.73 mi (7,652.00 km) |
| Port Royal to Corridonia | 4,922.98 mi (7,922.77 km) |
| Port Royal to Corsico | 4,661.83 mi (7,502.49 km) |
