| Gallatin to Octeville | 4,150.70 mi (6,679.91 km) |
| Gallatin to Oignies | 4,316.06 mi (6,946.03 km) |
| Gallatin to Oissel | 4,271.26 mi (6,873.92 km) |
| Gallatin to Olivet | 4,347.57 mi (6,996.73 km) |
| Gallatin to Ollioules | 4,667.55 mi (7,511.69 km) |
| Gallatin to Olonne-sur-Mer | 4,228.87 mi (6,805.71 km) |
| Gallatin to Oloron-Sainte-Marie | 4,378.06 mi (7,045.81 km) |
| Gallatin to Onet Village | 4,484.45 mi (7,217.02 km) |
| Gallatin to Onnaing | 4,342.56 mi (6,988.67 km) |
| Gallatin to Orange | 4,588.71 mi (7,384.82 km) |
| Gallatin to Orchies | 4,325.90 mi (6,961.87 km) |
| Gallatin to Orleans | 4,346.78 mi (6,995.46 km) |
| Gallatin to Orly | 4,342.06 mi (6,987.88 km) |
| Gallatin to Ormesson-sur-Marne | 4,346.82 mi (6,995.53 km) |
| Gallatin to Orsay | 4,334.94 mi (6,976.41 km) |
