| Harsum to Carpentras | 606.57 mi (976.18 km) |
| Harsum to Carquefou | 612.44 mi (985.63 km) |
| Harsum to Carqueiranne | 654.70 mi (1,053.63 km) |
| Harsum to Carrieres-sous-Poissy | 413.73 mi (665.84 km) |
| Harsum to Carrieres-sur-Seine | 406.11 mi (653.58 km) |
| Harsum to Carros | 596.42 mi (959.84 km) |
| Harsum to Carvin | 324.33 mi (521.95 km) |
| Harsum to Castanet-Tolosan | 716.12 mi (1,152.49 km) |
| Harsum to Castelginest | 707.17 mi (1,138.08 km) |
| Harsum to Castelnau-le-Lez | 654.56 mi (1,053.42 km) |
| Harsum to Castelnaudary | 716.88 mi (1,153.71 km) |
| Harsum to Castelsarrasin | 695.34 mi (1,119.05 km) |
| Harsum to Castres | 692.70 mi (1,114.79 km) |
| Harsum to Caudebec-les-Elbeuf | 439.56 mi (707.40 km) |
| Harsum to Caudry | 317.89 mi (511.59 km) |
