| Truckee to Oberkirch | 5,590.61 mi (8,997.22 km) |
| Truckee to Obernburg am Main | 5,548.32 mi (8,929.16 km) |
| Truckee to Obernkirchen | 5,414.71 mi (8,714.13 km) |
| Truckee to Oberschleissheim | 5,701.94 mi (9,176.38 km) |
| Truckee to Oberstdorf | 5,713.83 mi (9,195.52 km) |
| Truckee to Obertraubling | 5,677.51 mi (9,137.08 km) |
| Truckee to Obertshausen | 5,527.56 mi (8,895.74 km) |
| Truckee to Oberursel | 5,513.15 mi (8,872.55 km) |
| Truckee to Ochsenfurt | 5,583.69 mi (8,986.07 km) |
| Truckee to Ochsenhausen | 5,667.89 mi (9,121.58 km) |
| Truckee to Ochtrup | 5,367.43 mi (8,638.05 km) |
| Truckee to Odenthal | 5,428.46 mi (8,736.27 km) |
| Truckee to Oelde | 5,413.00 mi (8,711.38 km) |
| Truckee to Oelsnitz | 5,595.69 mi (9,005.39 km) |
| Truckee to Oer-Erkenschwick | 5,399.34 mi (8,689.40 km) |
