| Fort Atkinson to Oberkirch | 4,362.38 mi (7,020.57 km) |
| Fort Atkinson to Obernburg am Main | 4,348.93 mi (6,998.92 km) |
| Fort Atkinson to Obernkirchen | 4,252.02 mi (6,842.96 km) |
| Fort Atkinson to Oberschleissheim | 4,502.55 mi (7,246.15 km) |
| Fort Atkinson to Oberstdorf | 4,490.19 mi (7,226.26 km) |
| Fort Atkinson to Obertraubling | 4,494.18 mi (7,232.68 km) |
| Fort Atkinson to Obertshausen | 4,328.69 mi (6,966.36 km) |
| Fort Atkinson to Oberursel | 4,313.97 mi (6,942.67 km) |
| Fort Atkinson to Ochsenfurt | 4,390.11 mi (7,065.20 km) |
| Fort Atkinson to Ochsenhausen | 4,450.42 mi (7,162.26 km) |
| Fort Atkinson to Ochtrup | 4,186.63 mi (6,737.73 km) |
| Fort Atkinson to Odenthal | 4,228.76 mi (6,805.53 km) |
| Fort Atkinson to Oelde | 4,234.85 mi (6,815.34 km) |
| Fort Atkinson to Oelsnitz | 4,433.44 mi (7,134.94 km) |
| Fort Atkinson to Oer-Erkenschwick | 4,210.24 mi (6,775.72 km) |
