| Champaign to Corato | 5,102.73 mi (8,212.05 km) |
| Champaign to Corbetta | 4,623.10 mi (7,440.16 km) |
| Champaign to Corciano | 4,852.34 mi (7,809.09 km) |
| Champaign to Cordenons | 4,751.21 mi (7,646.34 km) |
| Champaign to Cori | 4,940.27 mi (7,950.60 km) |
| Champaign to Coriano | 4,830.41 mi (7,773.80 km) |
| Champaign to Corigliano Calabro | 5,176.04 mi (8,330.03 km) |
| Champaign to Corleone | 5,120.29 mi (8,240.31 km) |
| Champaign to Cormano | 4,629.82 mi (7,450.97 km) |
| Champaign to Cornaredo | 4,626.45 mi (7,445.56 km) |
| Champaign to Cornate d'Adda | 4,637.83 mi (7,463.87 km) |
| Champaign to Cornedo Vicentino | 4,713.52 mi (7,585.67 km) |
| Champaign to Correggio | 4,725.19 mi (7,604.45 km) |
| Champaign to Corridonia | 4,896.89 mi (7,880.78 km) |
| Champaign to Corsico | 4,632.40 mi (7,455.12 km) |
