| Romanshorn to Carmignano | 270.98 mi (436.10 km) |
| Romanshorn to Carovigno | 627.54 mi (1,009.93 km) |
| Romanshorn to Carpenedolo | 160.27 mi (257.93 km) |
| Romanshorn to Carpi | 205.50 mi (330.73 km) |
| Romanshorn to Carrara | 243.39 mi (391.69 km) |
| Romanshorn to Carugate | 139.12 mi (223.90 km) |
| Romanshorn to Casal di Principe | 510.08 mi (820.89 km) |
| Romanshorn to Casale Monferrato | 173.22 mi (278.78 km) |
| Romanshorn to Casale sul Sile | 195.91 mi (315.28 km) |
| Romanshorn to Casalecchio di Reno | 232.01 mi (373.39 km) |
| Romanshorn to Casalgrande | 216.22 mi (347.97 km) |
| Romanshorn to Casalmaggiore | 185.13 mi (297.94 km) |
| Romanshorn to Casalnuovo di Napoli | 521.27 mi (838.91 km) |
| Romanshorn to Casalpusterlengo | 165.43 mi (266.23 km) |
| Romanshorn to Casaluce | 512.64 mi (825.02 km) |
