| Skelmersdale to Octeville | 275.38 mi (443.18 km) |
| Skelmersdale to Oignies | 324.66 mi (522.48 km) |
| Skelmersdale to Oissel | 334.95 mi (539.06 km) |
| Skelmersdale to Olivet | 442.74 mi (712.52 km) |
| Skelmersdale to Ollioules | 819.74 mi (1,319.24 km) |
| Skelmersdale to Olonne-sur-Mer | 486.64 mi (783.17 km) |
| Skelmersdale to Oloron-Sainte-Marie | 722.32 mi (1,162.46 km) |
| Skelmersdale to Onet Village | 679.25 mi (1,093.15 km) |
| Skelmersdale to Onnaing | 348.14 mi (560.27 km) |
| Skelmersdale to Orange | 735.14 mi (1,183.09 km) |
| Skelmersdale to Orchies | 332.51 mi (535.12 km) |
| Skelmersdale to Orleans | 440.51 mi (708.93 km) |
| Skelmersdale to Orly | 400.34 mi (644.29 km) |
| Skelmersdale to Ormesson-sur-Marne | 401.46 mi (646.09 km) |
| Skelmersdale to Orsay | 398.17 mi (640.79 km) |
