| Oakton to Octeville | 3,655.16 mi (5,882.42 km) |
| Oakton to Oignies | 3,828.30 mi (6,161.05 km) |
| Oakton to Oissel | 3,777.26 mi (6,078.92 km) |
| Oakton to Olivet | 3,849.17 mi (6,194.64 km) |
| Oakton to Ollioules | 4,159.13 mi (6,693.47 km) |
| Oakton to Olonne-sur-Mer | 3,722.78 mi (5,991.24 km) |
| Oakton to Oloron-Sainte-Marie | 3,863.88 mi (6,218.31 km) |
| Oakton to Onet Village | 3,976.08 mi (6,398.88 km) |
| Oakton to Onnaing | 3,855.12 mi (6,204.22 km) |
| Oakton to Orange | 4,081.90 mi (6,569.18 km) |
| Oakton to Orchies | 3,838.43 mi (6,177.35 km) |
| Oakton to Orleans | 3,848.52 mi (6,193.60 km) |
| Oakton to Orly | 3,847.22 mi (6,191.50 km) |
| Oakton to Ormesson-sur-Marne | 3,852.28 mi (6,199.64 km) |
| Oakton to Orsay | 3,839.72 mi (6,179.44 km) |
