| Ostersund to Octeville | 1,117.25 mi (1,798.04 km) |
| Ostersund to Oignies | 978.82 mi (1,575.26 km) |
| Ostersund to Oissel | 1,083.14 mi (1,743.14 km) |
| Ostersund to Olivet | 1,164.59 mi (1,874.22 km) |
| Ostersund to Ollioules | 1,428.61 mi (2,299.12 km) |
| Ostersund to Olonne-sur-Mer | 1,313.41 mi (2,113.73 km) |
| Ostersund to Oloron-Sainte-Marie | 1,509.17 mi (2,428.77 km) |
| Ostersund to Onet Village | 1,384.39 mi (2,227.96 km) |
| Ostersund to Onnaing | 974.40 mi (1,568.14 km) |
| Ostersund to Orange | 1,372.07 mi (2,208.14 km) |
| Ostersund to Orchies | 974.40 mi (1,568.15 km) |
| Ostersund to Orleans | 1,161.95 mi (1,869.98 km) |
| Ostersund to Orly | 1,099.72 mi (1,769.82 km) |
| Ostersund to Ormesson-sur-Marne | 1,094.70 mi (1,761.74 km) |
| Ostersund to Orsay | 1,105.96 mi (1,779.87 km) |
