| Overland Park to Octeville | 4,363.93 mi (7,023.07 km) |
| Overland Park to Oignies | 4,511.28 mi (7,260.20 km) |
| Overland Park to Oissel | 4,479.85 mi (7,209.62 km) |
| Overland Park to Olivet | 4,564.96 mi (7,346.60 km) |
| Overland Park to Ollioules | 4,906.21 mi (7,895.78 km) |
| Overland Park to Olonne-sur-Mer | 4,465.64 mi (7,186.76 km) |
| Overland Park to Oloron-Sainte-Marie | 4,635.30 mi (7,459.79 km) |
| Overland Park to Onet Village | 4,724.60 mi (7,603.50 km) |
| Overland Park to Onnaing | 4,536.81 mi (7,301.29 km) |
| Overland Park to Orange | 4,823.89 mi (7,763.30 km) |
| Overland Park to Orchies | 4,520.43 mi (7,274.92 km) |
| Overland Park to Orleans | 4,563.87 mi (7,344.84 km) |
| Overland Park to Orly | 4,551.70 mi (7,325.26 km) |
| Overland Park to Ormesson-sur-Marne | 4,555.76 mi (7,331.79 km) |
| Overland Park to Orsay | 4,545.46 mi (7,315.21 km) |
