| Geertruidenberg to Octeville | 318.59 mi (512.72 km) |
| Geertruidenberg to Oignies | 117.40 mi (188.93 km) |
| Geertruidenberg to Oissel | 232.18 mi (373.65 km) |
| Geertruidenberg to Olivet | 296.02 mi (476.40 km) |
| Geertruidenberg to Ollioules | 593.27 mi (954.77 km) |
| Geertruidenberg to Olonne-sur-Mer | 465.69 mi (749.46 km) |
| Geertruidenberg to Oloron-Sainte-Marie | 640.33 mi (1,030.51 km) |
| Geertruidenberg to Onet Village | 517.38 mi (832.65 km) |
| Geertruidenberg to Onnaing | 105.91 mi (170.45 km) |
| Geertruidenberg to Orange | 522.47 mi (840.83 km) |
| Geertruidenberg to Orchies | 109.89 mi (176.85 km) |
| Geertruidenberg to Orleans | 293.45 mi (472.26 km) |
| Geertruidenberg to Orly | 231.48 mi (372.53 km) |
| Geertruidenberg to Ormesson-sur-Marne | 225.92 mi (363.59 km) |
| Geertruidenberg to Orsay | 238.66 mi (384.08 km) |
