| Oskaloosa to Octeville | 4,171.75 mi (6,713.78 km) |
| Oskaloosa to Oignies | 4,317.12 mi (6,947.74 km) |
| Oskaloosa to Oissel | 4,287.04 mi (6,899.33 km) |
| Oskaloosa to Olivet | 4,373.06 mi (7,037.77 km) |
| Oskaloosa to Ollioules | 4,716.69 mi (7,590.78 km) |
| Oskaloosa to Olonne-sur-Mer | 4,276.33 mi (6,882.08 km) |
| Oskaloosa to Oloron-Sainte-Marie | 4,448.91 mi (7,159.83 km) |
| Oskaloosa to Onet Village | 4,535.48 mi (7,299.14 km) |
| Oskaloosa to Onnaing | 4,342.55 mi (6,988.65 km) |
| Oskaloosa to Orange | 4,633.97 mi (7,457.66 km) |
| Oskaloosa to Orchies | 4,326.20 mi (6,962.35 km) |
| Oskaloosa to Orleans | 4,371.94 mi (7,035.95 km) |
| Oskaloosa to Orly | 4,358.95 mi (7,015.05 km) |
| Oskaloosa to Ormesson-sur-Marne | 4,362.93 mi (7,021.46 km) |
| Oskaloosa to Orsay | 4,352.81 mi (7,005.16 km) |
