| Slough to Cernavoda | 1,403.81 mi (2,259.22 km) |
| Slough to Chitila | 1,310.94 mi (2,109.76 km) |
| Slough to Cisnadie | 1,192.08 mi (1,918.47 km) |
| Slough to Cluj-Napoca | 1,134.74 mi (1,826.18 km) |
| Slough to Codlea | 1,247.50 mi (2,007.66 km) |
| Slough to Comanesti | 1,267.40 mi (2,039.68 km) |
| Slough to Comarnic | 1,270.45 mi (2,044.59 km) |
| Slough to Constanta | 1,435.36 mi (2,309.99 km) |
| Slough to Corabia | 1,276.14 mi (2,053.75 km) |
| Slough to Costesti | 1,258.76 mi (2,025.78 km) |
| Slough to Covasna | 1,274.16 mi (2,050.56 km) |
| Slough to Craiova | 1,226.47 mi (1,973.82 km) |
| Slough to Cristuru Secuiesc | 1,211.16 mi (1,949.17 km) |
| Slough to Cugir | 1,154.44 mi (1,857.89 km) |
| Slough to Cumpana | 1,433.99 mi (2,307.79 km) |
