| West Ham to Cernavoda | 1,378.85 mi (2,219.05 km) |
| West Ham to Chitila | 1,286.19 mi (2,069.92 km) |
| West Ham to Cisnadie | 1,167.18 mi (1,878.39 km) |
| West Ham to Cluj-Napoca | 1,109.57 mi (1,785.68 km) |
| West Ham to Codlea | 1,222.45 mi (1,967.34 km) |
| West Ham to Comanesti | 1,242.08 mi (1,998.93 km) |
| West Ham to Comarnic | 1,245.51 mi (2,004.45 km) |
| West Ham to Constanta | 1,410.37 mi (2,269.78 km) |
| West Ham to Corabia | 1,251.88 mi (2,014.71 km) |
| West Ham to Costesti | 1,234.11 mi (1,986.11 km) |
| West Ham to Covasna | 1,248.99 mi (2,010.06 km) |
| West Ham to Craiova | 1,202.13 mi (1,934.63 km) |
| West Ham to Cristuru Secuiesc | 1,185.98 mi (1,908.66 km) |
| West Ham to Cugir | 1,129.59 mi (1,817.90 km) |
| West Ham to Cumpana | 1,409.03 mi (2,267.62 km) |
