| Grefrath to Carpentras | 506.59 mi (815.27 km) |
| Grefrath to Carquefou | 449.46 mi (723.33 km) |
| Grefrath to Carqueiranne | 569.56 mi (916.61 km) |
| Grefrath to Carrieres-sous-Poissy | 251.97 mi (405.51 km) |
| Grefrath to Carrieres-sur-Seine | 245.50 mi (395.09 km) |
| Grefrath to Carros | 524.11 mi (843.47 km) |
| Grefrath to Carvin | 158.44 mi (254.98 km) |
| Grefrath to Castanet-Tolosan | 585.53 mi (942.33 km) |
| Grefrath to Castelginest | 575.26 mi (925.80 km) |
| Grefrath to Castelnau-le-Lez | 543.95 mi (875.40 km) |
| Grefrath to Castelnaudary | 590.60 mi (950.48 km) |
| Grefrath to Castelsarrasin | 559.47 mi (900.39 km) |
| Grefrath to Castres | 567.42 mi (913.17 km) |
| Grefrath to Caudebec-les-Elbeuf | 274.26 mi (441.38 km) |
| Grefrath to Caudry | 153.00 mi (246.23 km) |
