| Gourock to Corato | 1,398.70 mi (2,250.98 km) |
| Gourock to Corbetta | 937.84 mi (1,509.31 km) |
| Gourock to Corciano | 1,165.04 mi (1,874.95 km) |
| Gourock to Cordenons | 1,022.07 mi (1,644.87 km) |
| Gourock to Cori | 1,268.46 mi (2,041.39 km) |
| Gourock to Coriano | 1,127.44 mi (1,814.44 km) |
| Gourock to Corigliano Calabro | 1,490.21 mi (2,398.27 km) |
| Gourock to Corleone | 1,507.29 mi (2,425.74 km) |
| Gourock to Cormano | 940.02 mi (1,512.82 km) |
| Gourock to Cornaredo | 939.16 mi (1,511.43 km) |
| Gourock to Cornate d'Adda | 942.81 mi (1,517.31 km) |
| Gourock to Cornedo Vicentino | 999.72 mi (1,608.89 km) |
| Gourock to Correggio | 1,029.58 mi (1,656.95 km) |
| Gourock to Corridonia | 1,194.52 mi (1,922.40 km) |
| Gourock to Corsico | 945.25 mi (1,521.23 km) |
