| Bootle to Octeville | 270.11 mi (434.70 km) |
| Bootle to Oignies | 327.20 mi (526.58 km) |
| Bootle to Oissel | 333.56 mi (536.81 km) |
| Bootle to Olivet | 440.91 mi (709.57 km) |
| Bootle to Ollioules | 818.39 mi (1,317.07 km) |
| Bootle to Olonne-sur-Mer | 480.44 mi (773.19 km) |
| Bootle to Oloron-Sainte-Marie | 716.61 mi (1,153.27 km) |
| Bootle to Onet Village | 676.15 mi (1,088.17 km) |
| Bootle to Onnaing | 351.12 mi (565.07 km) |
| Bootle to Orange | 733.55 mi (1,180.53 km) |
| Bootle to Orchies | 335.31 mi (539.63 km) |
| Bootle to Orleans | 438.72 mi (706.05 km) |
| Bootle to Orly | 399.85 mi (643.49 km) |
| Bootle to Ormesson-sur-Marne | 401.17 mi (645.61 km) |
| Bootle to Orsay | 397.40 mi (639.55 km) |
