| Knowsley to Octeville | 269.17 mi (433.19 km) |
| Knowsley to Oignies | 322.80 mi (519.49 km) |
| Knowsley to Oissel | 330.69 mi (532.19 km) |
| Knowsley to Olivet | 438.24 mi (705.28 km) |
| Knowsley to Ollioules | 815.52 mi (1,312.45 km) |
| Knowsley to Olonne-sur-Mer | 480.07 mi (772.59 km) |
| Knowsley to Oloron-Sainte-Marie | 715.95 mi (1,152.22 km) |
| Knowsley to Onet Village | 674.10 mi (1,084.86 km) |
| Knowsley to Onnaing | 346.58 mi (557.76 km) |
| Knowsley to Orange | 730.79 mi (1,176.09 km) |
| Knowsley to Orchies | 330.82 mi (532.41 km) |
| Knowsley to Orleans | 436.03 mi (701.73 km) |
| Knowsley to Orly | 396.60 mi (638.26 km) |
| Knowsley to Ormesson-sur-Marne | 397.83 mi (640.25 km) |
| Knowsley to Orsay | 394.26 mi (634.50 km) |
