| Romanshorn to Carpentras | 318.92 mi (513.25 km) |
| Romanshorn to Carquefou | 507.02 mi (815.97 km) |
| Romanshorn to Carqueiranne | 347.41 mi (559.10 km) |
| Romanshorn to Carrieres-sous-Poissy | 349.80 mi (562.95 km) |
| Romanshorn to Carrieres-sur-Seine | 338.16 mi (544.21 km) |
| Romanshorn to Carros | 281.96 mi (453.77 km) |
| Romanshorn to Carvin | 353.35 mi (568.66 km) |
| Romanshorn to Castanet-Tolosan | 471.68 mi (759.10 km) |
| Romanshorn to Castelginest | 466.60 mi (750.92 km) |
| Romanshorn to Castelnau-le-Lez | 378.14 mi (608.56 km) |
| Romanshorn to Castelnaudary | 463.14 mi (745.34 km) |
| Romanshorn to Castelsarrasin | 465.64 mi (749.37 km) |
| Romanshorn to Castres | 439.11 mi (706.68 km) |
| Romanshorn to Caudebec-les-Elbeuf | 399.95 mi (643.65 km) |
| Romanshorn to Caudry | 322.95 mi (519.73 km) |
