| Oldenburg to Octeville | 488.98 mi (786.94 km) |
| Oldenburg to Oignies | 289.51 mi (465.92 km) |
| Oldenburg to Oissel | 404.53 mi (651.03 km) |
| Oldenburg to Olivet | 457.95 mi (737.00 km) |
| Oldenburg to Ollioules | 699.70 mi (1,126.06 km) |
| Oldenburg to Olonne-sur-Mer | 636.42 mi (1,024.23 km) |
| Oldenburg to Oloron-Sainte-Marie | 797.28 mi (1,283.10 km) |
| Oldenburg to Onet Village | 657.84 mi (1,058.69 km) |
| Oldenburg to Onnaing | 274.16 mi (441.21 km) |
| Oldenburg to Orange | 641.15 mi (1,031.83 km) |
| Oldenburg to Orchies | 281.10 mi (452.39 km) |
| Oldenburg to Orleans | 455.54 mi (733.12 km) |
| Oldenburg to Orly | 395.52 mi (636.52 km) |
| Oldenburg to Ormesson-sur-Marne | 389.19 mi (626.35 km) |
| Oldenburg to Orsay | 403.76 mi (649.79 km) |
