| Cloppenburg to Octeville | 474.23 mi (763.20 km) |
| Cloppenburg to Oignies | 271.97 mi (437.70 km) |
| Cloppenburg to Oissel | 386.90 mi (622.66 km) |
| Cloppenburg to Olivet | 438.04 mi (704.95 km) |
| Cloppenburg to Ollioules | 678.54 mi (1,092.00 km) |
| Cloppenburg to Olonne-sur-Mer | 617.88 mi (994.39 km) |
| Cloppenburg to Oloron-Sainte-Marie | 776.64 mi (1,249.89 km) |
| Cloppenburg to Onet Village | 636.56 mi (1,024.44 km) |
| Cloppenburg to Onnaing | 255.68 mi (411.48 km) |
| Cloppenburg to Orange | 619.77 mi (997.42 km) |
| Cloppenburg to Orchies | 263.26 mi (423.68 km) |
| Cloppenburg to Orleans | 435.65 mi (701.11 km) |
| Cloppenburg to Orly | 375.97 mi (605.06 km) |
| Cloppenburg to Ormesson-sur-Marne | 369.57 mi (594.76 km) |
| Cloppenburg to Orsay | 384.34 mi (618.53 km) |
