| Fountain Hills to Octeville | 5,273.99 mi (8,487.66 km) |
| Fountain Hills to Oignies | 5,400.62 mi (8,691.45 km) |
| Fountain Hills to Oissel | 5,383.51 mi (8,663.93 km) |
| Fountain Hills to Olivet | 5,476.18 mi (8,813.07 km) |
| Fountain Hills to Ollioules | 5,833.65 mi (9,388.35 km) |
| Fountain Hills to Olonne-sur-Mer | 5,396.63 mi (8,685.04 km) |
| Fountain Hills to Oloron-Sainte-Marie | 5,582.49 mi (8,984.14 km) |
| Fountain Hills to Onet Village | 5,655.58 mi (9,101.77 km) |
| Fountain Hills to Onnaing | 5,424.70 mi (8,730.21 km) |
| Fountain Hills to Orange | 5,749.00 mi (9,252.12 km) |
| Fountain Hills to Orchies | 5,408.88 mi (8,704.75 km) |
| Fountain Hills to Orleans | 5,474.81 mi (8,810.85 km) |
| Fountain Hills to Orly | 5,455.34 mi (8,779.52 km) |
| Fountain Hills to Ormesson-sur-Marne | 5,458.63 mi (8,784.82 km) |
| Fountain Hills to Orsay | 5,450.08 mi (8,771.06 km) |
