| Gourock to Cadiz | 1,343.50 mi (2,162.15 km) |
| Gourock to Calafell | 1,059.24 mi (1,704.68 km) |
| Gourock to Calahorra | 951.94 mi (1,532.00 km) |
| Gourock to Calasparra | 1,232.99 mi (1,984.30 km) |
| Gourock to Calatayud | 1,019.16 mi (1,640.18 km) |
| Gourock to Caldas de Montbuy | 1,038.02 mi (1,670.54 km) |
| Gourock to Caldas de Reyes | 938.04 mi (1,509.63 km) |
| Gourock to Calella | 1,046.03 mi (1,683.42 km) |
| Gourock to Callosa de Segura | 1,245.39 mi (2,004.27 km) |
| Gourock to Calpe | 1,216.68 mi (1,958.06 km) |
| Gourock to Calvia | 1,180.70 mi (1,900.16 km) |
| Gourock to Camas | 1,283.05 mi (2,064.87 km) |
| Gourock to Cambados | 946.38 mi (1,523.05 km) |
| Gourock to Cambre | 889.20 mi (1,431.04 km) |
| Gourock to Cambrils | 1,062.19 mi (1,709.43 km) |
