| Runcorn to Octeville | 260.93 mi (419.92 km) |
| Runcorn to Oignies | 314.48 mi (506.10 km) |
| Runcorn to Oissel | 321.82 mi (517.92 km) |
| Runcorn to Olivet | 429.39 mi (691.03 km) |
| Runcorn to Ollioules | 806.65 mi (1,298.19 km) |
| Runcorn to Olonne-sur-Mer | 472.16 mi (759.87 km) |
| Runcorn to Oloron-Sainte-Marie | 707.84 mi (1,139.16 km) |
| Runcorn to Onet Village | 665.35 mi (1,070.78 km) |
| Runcorn to Onnaing | 338.38 mi (544.57 km) |
| Runcorn to Orange | 721.92 mi (1,161.82 km) |
| Runcorn to Orchies | 322.57 mi (519.13 km) |
| Runcorn to Orleans | 427.17 mi (687.47 km) |
| Runcorn to Orly | 387.75 mi (624.03 km) |
| Runcorn to Ormesson-sur-Marne | 389.00 mi (626.04 km) |
| Runcorn to Orsay | 385.41 mi (620.25 km) |
