| Romanshorn to Cabestany | 459.67 mi (739.77 km) |
| Romanshorn to Cabries | 343.72 mi (553.16 km) |
| Romanshorn to Cachan | 334.45 mi (538.24 km) |
| Romanshorn to Caen | 459.83 mi (740.02 km) |
| Romanshorn to Cagnes-sur-Mer | 289.73 mi (466.27 km) |
| Romanshorn to Cahors | 436.35 mi (702.24 km) |
| Romanshorn to Calais | 410.88 mi (661.24 km) |
| Romanshorn to Caluire-et-Cuire | 246.14 mi (396.13 km) |
| Romanshorn to Cambrai | 331.47 mi (533.45 km) |
| Romanshorn to Canet-en-Roussillon | 456.24 mi (734.24 km) |
| Romanshorn to Cannes | 299.47 mi (481.95 km) |
| Romanshorn to Canteleu | 402.32 mi (647.48 km) |
| Romanshorn to Capbreton | 586.98 mi (944.66 km) |
| Romanshorn to Carcassonne | 453.62 mi (730.03 km) |
| Romanshorn to Carmaux | 422.99 mi (680.74 km) |
