| Greenbelt to Carpentras | 4,072.53 mi (6,554.11 km) |
| Greenbelt to Carquefou | 3,694.00 mi (5,944.91 km) |
| Greenbelt to Carqueiranne | 4,148.11 mi (6,675.73 km) |
| Greenbelt to Carrieres-sous-Poissy | 3,805.04 mi (6,123.62 km) |
| Greenbelt to Carrieres-sur-Seine | 3,816.55 mi (6,142.14 km) |
| Greenbelt to Carros | 4,176.69 mi (6,721.73 km) |
| Greenbelt to Carvin | 3,804.55 mi (6,122.83 km) |
| Greenbelt to Castanet-Tolosan | 3,928.42 mi (6,322.17 km) |
| Greenbelt to Castelginest | 3,920.34 mi (6,309.17 km) |
| Greenbelt to Castelnau-le-Lez | 4,033.76 mi (6,491.70 km) |
| Greenbelt to Castelnaudary | 3,954.90 mi (6,364.80 km) |
| Greenbelt to Castelsarrasin | 3,895.70 mi (6,269.52 km) |
| Greenbelt to Castres | 3,960.16 mi (6,373.26 km) |
| Greenbelt to Caudebec-les-Elbeuf | 3,753.83 mi (6,041.20 km) |
| Greenbelt to Caudry | 3,832.44 mi (6,167.72 km) |
