| Gourock to Cernavoda | 1,639.25 mi (2,638.12 km) |
| Gourock to Chitila | 1,555.38 mi (2,503.14 km) |
| Gourock to Cisnadie | 1,433.41 mi (2,306.85 km) |
| Gourock to Cluj-Napoca | 1,366.46 mi (2,199.10 km) |
| Gourock to Codlea | 1,482.07 mi (2,385.16 km) |
| Gourock to Comanesti | 1,488.19 mi (2,395.01 km) |
| Gourock to Comarnic | 1,508.94 mi (2,428.41 km) |
| Gourock to Constanta | 1,669.42 mi (2,686.67 km) |
| Gourock to Corabia | 1,535.66 mi (2,471.40 km) |
| Gourock to Costesti | 1,507.44 mi (2,425.98 km) |
| Gourock to Covasna | 1,503.10 mi (2,419.01 km) |
| Gourock to Craiova | 1,484.33 mi (2,388.80 km) |
| Gourock to Cristuru Secuiesc | 1,440.96 mi (2,319.01 km) |
| Gourock to Cugir | 1,398.58 mi (2,250.79 km) |
| Gourock to Cumpana | 1,668.97 mi (2,685.95 km) |
