| Gourock to Cehegin | 1,241.96 mi (1,998.74 km) |
| Gourock to Cervello | 1,051.05 mi (1,691.49 km) |
| Gourock to Cervera | 1,024.37 mi (1,648.56 km) |
| Gourock to Ceuti | 1,245.87 mi (2,005.03 km) |
| Gourock to Cheste | 1,153.83 mi (1,856.92 km) |
| Gourock to Chiclana de la Frontera | 1,351.32 mi (2,174.75 km) |
| Gourock to Chipiona | 1,330.15 mi (2,140.67 km) |
| Gourock to Chiva | 1,154.14 mi (1,857.41 km) |
| Gourock to Churriana de la Vega | 1,300.35 mi (2,092.72 km) |
| Gourock to Ciempozuelos | 1,092.66 mi (1,758.47 km) |
| Gourock to Cieza | 1,233.98 mi (1,985.90 km) |
| Gourock to Cisterniga | 990.62 mi (1,594.24 km) |
| Gourock to Ciudad de Melilla | 1,430.97 mi (2,302.93 km) |
| Gourock to Ciudad Real | 1,173.28 mi (1,888.21 km) |
| Gourock to Ciudad-Rodrigo | 1,063.92 mi (1,712.22 km) |
