| Romanshorn to Cehegin | 862.94 mi (1,388.78 km) |
| Romanshorn to Cervello | 560.34 mi (901.78 km) |
| Romanshorn to Cervera | 568.79 mi (915.38 km) |
| Romanshorn to Ceuti | 846.65 mi (1,362.56 km) |
| Romanshorn to Cheste | 750.44 mi (1,207.71 km) |
| Romanshorn to Chiclana de la Frontera | 1,103.94 mi (1,776.61 km) |
| Romanshorn to Chipiona | 1,097.98 mi (1,767.03 km) |
| Romanshorn to Chiva | 752.06 mi (1,210.33 km) |
| Romanshorn to Churriana de la Vega | 976.51 mi (1,571.54 km) |
| Romanshorn to Ciempozuelos | 822.47 mi (1,323.64 km) |
| Romanshorn to Cieza | 842.44 mi (1,355.78 km) |
| Romanshorn to Cisterniga | 802.00 mi (1,290.69 km) |
| Romanshorn to Ciudad de Melilla | 1,058.52 mi (1,703.53 km) |
| Romanshorn to Ciudad Real | 890.68 mi (1,433.41 km) |
| Romanshorn to Ciudad-Rodrigo | 921.57 mi (1,483.13 km) |
