| West Ham to Cascais | 996.83 mi (1,604.24 km) |
| West Ham to Castelo Branco | 885.90 mi (1,425.71 km) |
| West Ham to Castro Daire | 825.89 mi (1,329.14 km) |
| West Ham to Celorico de Basto | 797.12 mi (1,282.84 km) |
| West Ham to Chamusca | 935.60 mi (1,505.71 km) |
| West Ham to Chaves | 763.11 mi (1,228.10 km) |
| West Ham to Cinfaes | 817.76 mi (1,316.06 km) |
| West Ham to Coimbra | 879.99 mi (1,416.21 km) |
| West Ham to Condeixa-a-Nova | 887.48 mi (1,428.26 km) |
| West Ham to Corroios | 996.44 mi (1,603.61 km) |
| West Ham to Coruche | 961.54 mi (1,547.45 km) |
| West Ham to Costa de Caparica | 996.37 mi (1,603.50 km) |
| West Ham to Covilha | 855.98 mi (1,377.56 km) |
| West Ham to Eiras | 877.93 mi (1,412.89 km) |
| West Ham to Elvas | 940.95 mi (1,514.31 km) |
