| Medford to Octeville | 5,156.75 mi (8,298.98 km) |
| Medford to Oignies | 5,242.94 mi (8,437.70 km) |
| Medford to Oissel | 5,250.84 mi (8,450.42 km) |
| Medford to Olivet | 5,353.58 mi (8,615.75 km) |
| Medford to Ollioules | 5,729.18 mi (9,220.22 km) |
| Medford to Olonne-sur-Mer | 5,314.63 mi (8,553.07 km) |
| Medford to Oloron-Sainte-Marie | 5,528.28 mi (8,896.91 km) |
| Medford to Onet Village | 5,564.40 mi (8,955.03 km) |
| Medford to Onnaing | 5,263.74 mi (8,471.18 km) |
| Medford to Orange | 5,642.86 mi (9,081.30 km) |
| Medford to Orchies | 5,249.44 mi (8,448.16 km) |
| Medford to Orleans | 5,351.73 mi (8,612.78 km) |
| Medford to Orly | 5,319.95 mi (8,561.64 km) |
| Medford to Ormesson-sur-Marne | 5,321.78 mi (8,564.58 km) |
| Medford to Orsay | 5,316.63 mi (8,556.29 km) |
