| Rockville to Carpentras | 4,081.03 mi (6,567.79 km) |
| Rockville to Carquefou | 3,702.18 mi (5,958.08 km) |
| Rockville to Carqueiranne | 4,156.74 mi (6,689.63 km) |
| Rockville to Carrieres-sous-Poissy | 3,812.53 mi (6,135.68 km) |
| Rockville to Carrieres-sur-Seine | 3,824.03 mi (6,154.18 km) |
| Rockville to Carros | 4,185.07 mi (6,735.22 km) |
| Rockville to Carvin | 3,811.55 mi (6,134.10 km) |
| Rockville to Castanet-Tolosan | 3,937.33 mi (6,336.53 km) |
| Rockville to Castelginest | 3,929.22 mi (6,323.46 km) |
| Rockville to Castelnau-le-Lez | 4,042.45 mi (6,505.69 km) |
| Rockville to Castelnaudary | 3,963.83 mi (6,379.17 km) |
| Rockville to Castelsarrasin | 3,904.52 mi (6,283.72 km) |
| Rockville to Castres | 3,969.00 mi (6,387.48 km) |
| Rockville to Caudebec-les-Elbeuf | 3,761.30 mi (6,053.22 km) |
| Rockville to Caudry | 3,839.52 mi (6,179.10 km) |
