| Gengenbach to Carpentras | 331.92 mi (534.18 km) |
| Gengenbach to Carquefou | 447.17 mi (719.65 km) |
| Gengenbach to Carqueiranne | 378.29 mi (608.80 km) |
| Gengenbach to Carrieres-sous-Poissy | 275.29 mi (443.04 km) |
| Gengenbach to Carrieres-sur-Seine | 263.74 mi (424.44 km) |
| Gengenbach to Carros | 322.15 mi (518.45 km) |
| Gengenbach to Carvin | 269.27 mi (433.34 km) |
| Gengenbach to Castanet-Tolosan | 460.03 mi (740.34 km) |
| Gengenbach to Castelginest | 452.92 mi (728.91 km) |
| Gengenbach to Castelnau-le-Lez | 383.64 mi (617.41 km) |
| Gengenbach to Castelnaudary | 456.20 mi (734.19 km) |
| Gengenbach to Castelsarrasin | 446.73 mi (718.95 km) |
| Gengenbach to Castres | 431.71 mi (694.77 km) |
| Gengenbach to Caudebec-les-Elbeuf | 323.76 mi (521.05 km) |
| Gengenbach to Caudry | 239.35 mi (385.20 km) |
