| Grenzach-Wyhlen to Carpentras | 272.27 mi (438.17 km) |
| Grenzach-Wyhlen to Carquefou | 427.93 mi (688.69 km) |
| Grenzach-Wyhlen to Carqueiranne | 317.40 mi (510.80 km) |
| Grenzach-Wyhlen to Carrieres-sous-Poissy | 275.92 mi (444.04 km) |
| Grenzach-Wyhlen to Carrieres-sur-Seine | 264.33 mi (425.40 km) |
| Grenzach-Wyhlen to Carros | 262.08 mi (421.78 km) |
| Grenzach-Wyhlen to Carvin | 294.29 mi (473.62 km) |
| Grenzach-Wyhlen to Castanet-Tolosan | 408.03 mi (656.67 km) |
| Grenzach-Wyhlen to Castelginest | 401.74 mi (646.54 km) |
| Grenzach-Wyhlen to Castelnau-le-Lez | 325.73 mi (524.22 km) |
| Grenzach-Wyhlen to Castelnaudary | 402.38 mi (647.56 km) |
| Grenzach-Wyhlen to Castelsarrasin | 397.89 mi (640.34 km) |
| Grenzach-Wyhlen to Castres | 377.95 mi (608.25 km) |
| Grenzach-Wyhlen to Caudebec-les-Elbeuf | 326.88 mi (526.05 km) |
| Grenzach-Wyhlen to Caudry | 262.45 mi (422.38 km) |
