| Amherst to Oberkirch | 4,178.20 mi (6,724.16 km) |
| Amherst to Obernburg am Main | 4,173.67 mi (6,716.87 km) |
| Amherst to Obernkirchen | 4,089.46 mi (6,581.34 km) |
| Amherst to Oberschleissheim | 4,324.69 mi (6,959.92 km) |
| Amherst to Oberstdorf | 4,305.32 mi (6,928.75 km) |
| Amherst to Obertraubling | 4,321.20 mi (6,954.30 km) |
| Amherst to Obertshausen | 4,153.94 mi (6,685.12 km) |
| Amherst to Oberursel | 4,139.39 mi (6,661.70 km) |
| Amherst to Ochsenfurt | 4,215.89 mi (6,784.81 km) |
| Amherst to Ochsenhausen | 4,268.05 mi (6,868.76 km) |
| Amherst to Ochtrup | 4,019.86 mi (6,469.34 km) |
| Amherst to Odenthal | 4,055.51 mi (6,526.72 km) |
| Amherst to Oelde | 4,067.99 mi (6,546.80 km) |
| Amherst to Oelsnitz | 4,267.72 mi (6,868.23 km) |
| Amherst to Oer-Erkenschwick | 4,040.53 mi (6,502.60 km) |
