| Palm Harbor to Octeville | 4,383.77 mi (7,055.00 km) |
| Palm Harbor to Oignies | 4,568.55 mi (7,352.38 km) |
| Palm Harbor to Oissel | 4,507.63 mi (7,254.32 km) |
| Palm Harbor to Olivet | 4,570.68 mi (7,355.80 km) |
| Palm Harbor to Ollioules | 4,854.76 mi (7,812.98 km) |
| Palm Harbor to Olonne-sur-Mer | 4,428.49 mi (7,126.96 km) |
| Palm Harbor to Oloron-Sainte-Marie | 4,545.24 mi (7,314.85 km) |
| Palm Harbor to Onet Village | 4,673.55 mi (7,521.36 km) |
| Palm Harbor to Onnaing | 4,595.68 mi (7,396.03 km) |
| Palm Harbor to Orange | 4,782.45 mi (7,696.61 km) |
| Palm Harbor to Orchies | 4,579.05 mi (7,369.27 km) |
| Palm Harbor to Orleans | 4,570.31 mi (7,355.20 km) |
| Palm Harbor to Orly | 4,575.49 mi (7,363.54 km) |
| Palm Harbor to Ormesson-sur-Marne | 4,581.05 mi (7,372.49 km) |
| Palm Harbor to Orsay | 4,567.37 mi (7,350.48 km) |
