| Cahokia to Cortona | 4,981.60 mi (8,017.12 km) |
| Cahokia to Cosenza | 5,325.19 mi (8,570.07 km) |
| Cahokia to Cossato | 4,736.32 mi (7,622.37 km) |
| Cahokia to Costa Volpino | 4,803.10 mi (7,729.85 km) |
| Cahokia to Creazzo | 4,869.53 mi (7,836.75 km) |
| Cahokia to Crema | 4,804.85 mi (7,732.65 km) |
| Cahokia to Cremona | 4,828.03 mi (7,769.97 km) |
| Cahokia to Crevalcore | 4,889.24 mi (7,868.48 km) |
| Cahokia to Crispiano | 5,307.64 mi (8,541.83 km) |
| Cahokia to Crosia | 5,334.58 mi (8,585.17 km) |
| Cahokia to Crotone | 5,370.39 mi (8,642.80 km) |
| Cahokia to Cuneo | 4,756.75 mi (7,655.26 km) |
| Cahokia to Cuorgne | 4,722.25 mi (7,599.73 km) |
| Cahokia to Cusano Milanino | 4,777.70 mi (7,688.97 km) |
| Cahokia to Cutro | 5,367.13 mi (8,637.57 km) |
