| Southend to Cernavoda | 1,349.39 mi (2,171.63 km) |
| Southend to Chitila | 1,256.96 mi (2,022.88 km) |
| Southend to Cisnadie | 1,137.79 mi (1,831.09 km) |
| Southend to Cluj-Napoca | 1,079.89 mi (1,737.91 km) |
| Southend to Codlea | 1,192.89 mi (1,919.78 km) |
| Southend to Comanesti | 1,212.22 mi (1,950.89 km) |
| Southend to Comarnic | 1,216.07 mi (1,957.08 km) |
| Southend to Constanta | 1,380.88 mi (2,222.32 km) |
| Southend to Corabia | 1,223.22 mi (1,968.58 km) |
| Southend to Costesti | 1,205.00 mi (1,939.26 km) |
| Southend to Covasna | 1,219.31 mi (1,962.29 km) |
| Southend to Craiova | 1,173.36 mi (1,888.34 km) |
| Southend to Cristuru Secuiesc | 1,156.29 mi (1,860.87 km) |
| Southend to Cugir | 1,100.27 mi (1,770.71 km) |
| Southend to Cumpana | 1,379.57 mi (2,220.20 km) |
