| Truckee to Octeville | 5,244.01 mi (8,439.42 km) |
| Truckee to Oignies | 5,341.83 mi (8,596.84 km) |
| Truckee to Oissel | 5,342.85 mi (8,598.49 km) |
| Truckee to Olivet | 5,443.28 mi (8,760.12 km) |
| Truckee to Ollioules | 5,815.60 mi (9,359.31 km) |
| Truckee to Olonne-sur-Mer | 5,392.81 mi (8,678.88 km) |
| Truckee to Oloron-Sainte-Marie | 5,599.66 mi (9,011.79 km) |
| Truckee to Onet Village | 5,646.34 mi (9,086.91 km) |
| Truckee to Onnaing | 5,363.63 mi (8,631.92 km) |
| Truckee to Orange | 5,729.35 mi (9,220.50 km) |
| Truckee to Orchies | 5,348.84 mi (8,608.13 km) |
| Truckee to Orleans | 5,441.56 mi (8,757.34 km) |
| Truckee to Orly | 5,413.04 mi (8,711.45 km) |
| Truckee to Ormesson-sur-Marne | 5,415.29 mi (8,715.06 km) |
| Truckee to Orsay | 5,409.17 mi (8,705.22 km) |
