| Gallatin to Oberkirch | 4,580.14 mi (7,371.02 km) |
| Gallatin to Obernburg am Main | 4,578.44 mi (7,368.28 km) |
| Gallatin to Obernkirchen | 4,497.71 mi (7,238.36 km) |
| Gallatin to Oberschleissheim | 4,728.45 mi (7,609.70 km) |
| Gallatin to Oberstdorf | 4,706.81 mi (7,574.87 km) |
| Gallatin to Obertraubling | 4,726.42 mi (7,606.44 km) |
| Gallatin to Obertshausen | 4,558.89 mi (7,336.83 km) |
| Gallatin to Oberursel | 4,544.41 mi (7,313.52 km) |
| Gallatin to Ochsenfurt | 4,620.90 mi (7,436.61 km) |
| Gallatin to Ochsenhausen | 4,670.44 mi (7,516.34 km) |
| Gallatin to Ochtrup | 4,427.18 mi (7,124.85 km) |
| Gallatin to Odenthal | 4,461.04 mi (7,179.35 km) |
| Gallatin to Oelde | 4,475.22 mi (7,202.17 km) |
| Gallatin to Oelsnitz | 4,674.98 mi (7,523.65 km) |
| Gallatin to Oer-Erkenschwick | 4,447.05 mi (7,156.84 km) |
