| Greenbelt to Cavaillon | 4,078.69 mi (6,564.02 km) |
| Greenbelt to Cebazat | 3,934.24 mi (6,331.54 km) |
| Greenbelt to Cenon | 3,799.07 mi (6,114.02 km) |
| Greenbelt to Cergy | 3,803.84 mi (6,121.69 km) |
| Greenbelt to Cernay | 4,052.69 mi (6,522.17 km) |
| Greenbelt to Cesson | 3,838.63 mi (6,177.68 km) |
| Greenbelt to Cesson-Sevigne | 3,669.43 mi (5,905.37 km) |
| Greenbelt to Cestas | 3,795.30 mi (6,107.95 km) |
| Greenbelt to Chalette-sur-Loing | 3,858.89 mi (6,210.29 km) |
| Greenbelt to Challans | 3,688.00 mi (5,935.26 km) |
| Greenbelt to Chalon-sur-Saone | 3,983.59 mi (6,410.97 km) |
| Greenbelt to Chalons-en-Champagne | 3,902.52 mi (6,280.50 km) |
| Greenbelt to Chamalieres | 3,934.41 mi (6,331.82 km) |
| Greenbelt to Chambery | 4,064.93 mi (6,541.87 km) |
| Greenbelt to Chambly | 3,808.32 mi (6,128.90 km) |
