| Oldbury to Octeville | 199.51 mi (321.09 km) |
| Oldbury to Oignies | 257.28 mi (414.05 km) |
| Oldbury to Oissel | 257.00 mi (413.61 km) |
| Oldbury to Olivet | 364.36 mi (586.38 km) |
| Oldbury to Ollioules | 741.82 mi (1,193.85 km) |
| Oldbury to Olonne-sur-Mer | 412.55 mi (663.94 km) |
| Oldbury to Oloron-Sainte-Marie | 646.59 mi (1,040.59 km) |
| Oldbury to Onet Village | 600.45 mi (966.33 km) |
| Oldbury to Onnaing | 282.45 mi (454.55 km) |
| Oldbury to Orange | 656.98 mi (1,057.30 km) |
| Oldbury to Orchies | 266.15 mi (428.33 km) |
| Oldbury to Orleans | 362.16 mi (582.84 km) |
| Oldbury to Orly | 323.71 mi (520.97 km) |
| Oldbury to Ormesson-sur-Marne | 325.21 mi (523.37 km) |
| Oldbury to Orsay | 321.07 mi (516.72 km) |
