| Greenbelt to Corato | 4,673.15 mi (7,520.70 km) |
| Greenbelt to Corbetta | 4,198.28 mi (6,756.48 km) |
| Greenbelt to Corciano | 4,421.76 mi (7,116.13 km) |
| Greenbelt to Cordenons | 4,342.16 mi (6,988.04 km) |
| Greenbelt to Cori | 4,501.79 mi (7,244.94 km) |
| Greenbelt to Coriano | 4,406.64 mi (7,091.80 km) |
| Greenbelt to Corigliano Calabro | 4,737.01 mi (7,623.47 km) |
| Greenbelt to Corleone | 4,659.01 mi (7,497.95 km) |
| Greenbelt to Cormano | 4,206.38 mi (6,769.51 km) |
| Greenbelt to Cornaredo | 4,202.24 mi (6,762.85 km) |
| Greenbelt to Cornate d'Adda | 4,216.06 mi (6,785.09 km) |
| Greenbelt to Cornedo Vicentino | 4,297.43 mi (6,916.05 km) |
| Greenbelt to Correggio | 4,301.17 mi (6,922.07 km) |
| Greenbelt to Corridonia | 4,471.24 mi (7,195.76 km) |
| Greenbelt to Corsico | 4,207.95 mi (6,772.04 km) |
