| Unna to Carpentras | 530.98 mi (854.53 km) |
| Unna to Carquefou | 505.43 mi (813.41 km) |
| Unna to Carqueiranne | 587.98 mi (946.25 km) |
| Unna to Carrieres-sous-Poissy | 306.92 mi (493.94 km) |
| Unna to Carrieres-sur-Seine | 299.62 mi (482.20 km) |
| Unna to Carros | 536.81 mi (863.91 km) |
| Unna to Carvin | 217.82 mi (350.55 km) |
| Unna to Castanet-Tolosan | 624.30 mi (1,004.71 km) |
| Unna to Castelginest | 614.63 mi (989.14 km) |
| Unna to Castelnau-le-Lez | 573.31 mi (922.65 km) |
| Unna to Castelnaudary | 627.35 mi (1,009.62 km) |
| Unna to Castelsarrasin | 600.70 mi (966.73 km) |
| Unna to Castres | 603.62 mi (971.43 km) |
| Unna to Caudebec-les-Elbeuf | 332.18 mi (534.59 km) |
| Unna to Caudry | 210.50 mi (338.77 km) |
