| Ganderkesee to Octeville | 498.41 mi (802.11 km) |
| Ganderkesee to Oignies | 296.34 mi (476.91 km) |
| Ganderkesee to Oissel | 411.24 mi (661.83 km) |
| Ganderkesee to Olivet | 461.37 mi (742.50 km) |
| Ganderkesee to Ollioules | 694.92 mi (1,118.36 km) |
| Ganderkesee to Olonne-sur-Mer | 641.99 mi (1,033.18 km) |
| Ganderkesee to Oloron-Sainte-Marie | 799.03 mi (1,285.91 km) |
| Ganderkesee to Onet Village | 657.17 mi (1,057.61 km) |
| Ganderkesee to Onnaing | 279.86 mi (450.39 km) |
| Ganderkesee to Orange | 637.83 mi (1,026.49 km) |
| Ganderkesee to Orchies | 287.58 mi (462.82 km) |
| Ganderkesee to Orleans | 459.00 mi (738.69 km) |
| Ganderkesee to Orly | 399.61 mi (643.11 km) |
| Ganderkesee to Ormesson-sur-Marne | 393.15 mi (632.72 km) |
| Ganderkesee to Orsay | 408.05 mi (656.70 km) |
