| Greenbelt to Cabestany | 4,018.93 mi (6,467.84 km) |
| Greenbelt to Cabries | 4,106.16 mi (6,608.23 km) |
| Greenbelt to Cachan | 3,821.40 mi (6,149.96 km) |
| Greenbelt to Caen | 3,697.39 mi (5,950.37 km) |
| Greenbelt to Cagnes-sur-Mer | 4,178.15 mi (6,724.08 km) |
| Greenbelt to Cahors | 3,899.30 mi (6,275.32 km) |
| Greenbelt to Calais | 3,748.38 mi (6,032.44 km) |
| Greenbelt to Caluire-et-Cuire | 4,011.82 mi (6,456.40 km) |
| Greenbelt to Cambrai | 3,823.88 mi (6,153.94 km) |
| Greenbelt to Canet-en-Roussillon | 4,021.12 mi (6,471.37 km) |
| Greenbelt to Cannes | 4,175.68 mi (6,720.11 km) |
| Greenbelt to Canteleu | 3,750.31 mi (6,035.54 km) |
| Greenbelt to Capbreton | 3,790.74 mi (6,100.61 km) |
| Greenbelt to Carcassonne | 3,976.12 mi (6,398.95 km) |
| Greenbelt to Carmaux | 3,943.00 mi (6,345.64 km) |
