| Ponca City to Octeville | 4,561.34 mi (7,340.77 km) |
| Ponca City to Oignies | 4,709.19 mi (7,578.72 km) |
| Ponca City to Oissel | 4,677.44 mi (7,527.61 km) |
| Ponca City to Olivet | 4,762.27 mi (7,664.13 km) |
| Ponca City to Ollioules | 5,102.56 mi (8,211.77 km) |
| Ponca City to Olonne-sur-Mer | 4,661.94 mi (7,502.66 km) |
| Ponca City to Oloron-Sainte-Marie | 4,830.17 mi (7,773.41 km) |
| Ponca City to Onet Village | 4,920.78 mi (7,919.23 km) |
| Ponca City to Onnaing | 4,734.74 mi (7,619.83 km) |
| Ponca City to Orange | 5,020.41 mi (8,079.58 km) |
| Ponca City to Orchies | 4,718.36 mi (7,593.46 km) |
| Ponca City to Orleans | 4,761.19 mi (7,662.39 km) |
| Ponca City to Orly | 4,749.28 mi (7,643.22 km) |
| Ponca City to Ormesson-sur-Marne | 4,753.36 mi (7,649.80 km) |
| Ponca City to Orsay | 4,743.01 mi (7,633.13 km) |
