| Blackfoot to Octeville | 4,783.77 mi (7,698.73 km) |
| Blackfoot to Oignies | 4,889.87 mi (7,869.49 km) |
| Blackfoot to Oissel | 4,885.71 mi (7,862.79 km) |
| Blackfoot to Olivet | 4,984.29 mi (8,021.44 km) |
| Blackfoot to Ollioules | 5,353.67 mi (8,615.89 km) |
| Blackfoot to Olonne-sur-Mer | 4,926.54 mi (7,928.50 km) |
| Blackfoot to Oloron-Sainte-Marie | 5,129.32 mi (8,254.84 km) |
| Blackfoot to Onet Village | 5,181.89 mi (8,339.44 km) |
| Blackfoot to Onnaing | 4,912.41 mi (7,905.77 km) |
| Blackfoot to Orange | 5,267.61 mi (8,477.41 km) |
| Blackfoot to Orchies | 4,897.28 mi (7,881.41 km) |
| Blackfoot to Orleans | 4,982.65 mi (8,018.81 km) |
| Blackfoot to Orly | 4,956.52 mi (7,976.76 km) |
| Blackfoot to Ormesson-sur-Marne | 4,959.07 mi (7,980.84 km) |
| Blackfoot to Orsay | 4,952.26 mi (7,969.89 km) |
