| Wallasey to Octeville | 268.41 mi (431.97 km) |
| Wallasey to Oignies | 327.11 mi (526.44 km) |
| Wallasey to Oissel | 332.62 mi (535.30 km) |
| Wallasey to Olivet | 439.87 mi (707.90 km) |
| Wallasey to Ollioules | 817.43 mi (1,315.53 km) |
| Wallasey to Olonne-sur-Mer | 478.56 mi (770.16 km) |
| Wallasey to Oloron-Sainte-Marie | 714.81 mi (1,150.38 km) |
| Wallasey to Onet Village | 674.85 mi (1,086.07 km) |
| Wallasey to Onnaing | 351.12 mi (565.08 km) |
| Wallasey to Orange | 732.54 mi (1,178.91 km) |
| Wallasey to Orchies | 335.28 mi (539.58 km) |
| Wallasey to Orleans | 437.68 mi (704.38 km) |
| Wallasey to Orly | 399.09 mi (642.27 km) |
| Wallasey to Ormesson-sur-Marne | 400.45 mi (644.46 km) |
| Wallasey to Orsay | 396.58 mi (638.24 km) |
