| Radford to Octeville | 3,869.72 mi (6,227.71 km) |
| Radford to Oignies | 4,042.04 mi (6,505.04 km) |
| Radford to Oissel | 3,991.69 mi (6,424.00 km) |
| Radford to Olivet | 4,063.98 mi (6,540.35 km) |
| Radford to Ollioules | 4,374.34 mi (7,039.83 km) |
| Radford to Olonne-sur-Mer | 3,937.97 mi (6,337.55 km) |
| Radford to Oloron-Sainte-Marie | 4,078.91 mi (6,564.37 km) |
| Radford to Onet Village | 4,191.30 mi (6,745.24 km) |
| Radford to Onnaing | 4,068.83 mi (6,548.15 km) |
| Radford to Orange | 4,297.11 mi (6,915.52 km) |
| Radford to Orchies | 4,052.14 mi (6,521.28 km) |
| Radford to Orleans | 4,063.32 mi (6,539.29 km) |
| Radford to Orly | 4,061.74 mi (6,536.73 km) |
| Radford to Ormesson-sur-Marne | 4,066.77 mi (6,544.83 km) |
| Radford to Orsay | 4,054.27 mi (6,524.72 km) |
