| Ostermundigen to Octeville | 458.23 mi (737.46 km) |
| Ostermundigen to Oignies | 317.63 mi (511.18 km) |
| Ostermundigen to Oissel | 337.76 mi (543.57 km) |
| Ostermundigen to Olivet | 268.70 mi (432.43 km) |
| Ostermundigen to Ollioules | 275.54 mi (443.44 km) |
| Ostermundigen to Olonne-sur-Mer | 439.22 mi (706.86 km) |
| Ostermundigen to Oloron-Sainte-Marie | 472.46 mi (760.34 km) |
| Ostermundigen to Onet Village | 296.39 mi (476.99 km) |
| Ostermundigen to Onnaing | 296.19 mi (476.67 km) |
| Ostermundigen to Orange | 233.82 mi (376.30 km) |
| Ostermundigen to Orchies | 310.69 mi (500.00 km) |
| Ostermundigen to Orleans | 268.86 mi (432.69 km) |
| Ostermundigen to Orly | 266.61 mi (429.07 km) |
| Ostermundigen to Ormesson-sur-Marne | 261.96 mi (421.58 km) |
| Ostermundigen to Orsay | 273.77 mi (440.58 km) |
