| Sidcup to Cernavoda | 1,373.56 mi (2,210.54 km) |
| Sidcup to Chitila | 1,280.69 mi (2,061.07 km) |
| Sidcup to Cisnadie | 1,161.83 mi (1,869.78 km) |
| Sidcup to Cluj-Napoca | 1,104.53 mi (1,777.57 km) |
| Sidcup to Codlea | 1,217.26 mi (1,958.99 km) |
| Sidcup to Comanesti | 1,237.27 mi (1,991.19 km) |
| Sidcup to Comarnic | 1,240.20 mi (1,995.91 km) |
| Sidcup to Constanta | 1,405.11 mi (2,261.31 km) |
| Sidcup to Corabia | 1,245.97 mi (2,005.20 km) |
| Sidcup to Costesti | 1,228.51 mi (1,977.10 km) |
| Sidcup to Covasna | 1,243.95 mi (2,001.94 km) |
| Sidcup to Craiova | 1,196.28 mi (1,925.23 km) |
| Sidcup to Cristuru Secuiesc | 1,180.95 mi (1,900.56 km) |
| Sidcup to Cugir | 1,124.18 mi (1,809.20 km) |
| Sidcup to Cumpana | 1,403.74 mi (2,259.11 km) |
