| Romanshorn to Campo de Criptana | 840.23 mi (1,352.22 km) |
| Romanshorn to Campos del Puerto | 644.96 mi (1,037.96 km) |
| Romanshorn to Canals | 775.54 mi (1,248.11 km) |
| Romanshorn to Candelaria | 1,913.31 mi (3,079.18 km) |
| Romanshorn to Canet de Mar | 530.05 mi (853.04 km) |
| Romanshorn to Cangas | 957.18 mi (1,540.44 km) |
| Romanshorn to Cangas de Narcea | 827.23 mi (1,331.30 km) |
| Romanshorn to Canovellas | 538.01 mi (865.85 km) |
| Romanshorn to Canteras | 865.91 mi (1,393.55 km) |
| Romanshorn to Cantillana | 1,030.95 mi (1,659.15 km) |
| Romanshorn to Capdepera | 618.37 mi (995.17 km) |
| Romanshorn to Carballo | 922.87 mi (1,485.22 km) |
| Romanshorn to Carcagente | 762.25 mi (1,226.73 km) |
| Romanshorn to Cardedeu | 534.29 mi (859.86 km) |
| Romanshorn to Carlet | 758.85 mi (1,221.25 km) |
