| Gourock to Collegno | 924.93 mi (1,488.53 km) |
| Gourock to Cologno al Serio | 953.16 mi (1,533.97 km) |
| Gourock to Cologno Monzese | 944.34 mi (1,519.77 km) |
| Gourock to Colorno | 1,009.03 mi (1,623.87 km) |
| Gourock to Comacchio | 1,074.61 mi (1,729.42 km) |
| Gourock to Comiso | 1,593.76 mi (2,564.91 km) |
| Gourock to Como | 923.10 mi (1,485.59 km) |
| Gourock to Concordia Sagittaria | 1,038.09 mi (1,670.65 km) |
| Gourock to Concorezzo | 942.51 mi (1,516.83 km) |
| Gourock to Conegliano | 1,014.44 mi (1,632.58 km) |
| Gourock to Conselice | 1,074.29 mi (1,728.91 km) |
| Gourock to Conselve | 1,036.05 mi (1,667.36 km) |
| Gourock to Conversano | 1,430.91 mi (2,302.83 km) |
| Gourock to Copertino | 1,498.84 mi (2,412.15 km) |
| Gourock to Copparo | 1,053.19 mi (1,694.95 km) |
