| West Ham to Octeville | 150.36 mi (241.98 km) |
| West Ham to Oignies | 149.20 mi (240.11 km) |
| West Ham to Oissel | 158.78 mi (255.53 km) |
| West Ham to Olivet | 267.29 mi (430.16 km) |
| West Ham to Ollioules | 640.72 mi (1,031.13 km) |
| West Ham to Olonne-sur-Mer | 354.59 mi (570.65 km) |
| West Ham to Oloron-Sainte-Marie | 576.94 mi (928.49 km) |
| West Ham to Onet Village | 509.45 mi (819.88 km) |
| West Ham to Onnaing | 175.13 mi (281.85 km) |
| West Ham to Orange | 557.11 mi (896.58 km) |
| West Ham to Orchies | 158.58 mi (255.21 km) |
| West Ham to Orleans | 264.87 mi (426.27 km) |
| West Ham to Orly | 219.78 mi (353.70 km) |
| West Ham to Ormesson-sur-Marne | 220.42 mi (354.73 km) |
| West Ham to Orsay | 218.42 mi (351.51 km) |
