| Romanshorn to Costessey | 503.51 mi (810.32 km) |
| Romanshorn to Cottingham | 605.30 mi (974.13 km) |
| Romanshorn to Coulsdon | 498.79 mi (802.72 km) |
| Romanshorn to Coventry | 586.49 mi (943.87 km) |
| Romanshorn to Cowdenbeath | 799.40 mi (1,286.50 km) |
| Romanshorn to Cowes | 529.06 mi (851.45 km) |
| Romanshorn to Cowley | 518.51 mi (834.46 km) |
| Romanshorn to Cowley | 552.97 mi (889.92 km) |
| Romanshorn to Cramlington | 700.58 mi (1,127.48 km) |
| Romanshorn to Cranleigh | 506.25 mi (814.73 km) |
| Romanshorn to Crawley | 494.06 mi (795.11 km) |
| Romanshorn to Crayford | 490.92 mi (790.05 km) |
| Romanshorn to Crewe | 644.42 mi (1,037.10 km) |
| Romanshorn to Crigglestone | 634.45 mi (1,021.04 km) |
| Romanshorn to Cromer | 513.38 mi (826.21 km) |
