| Monroeville to Oberkirch | 4,123.21 mi (6,635.67 km) |
| Monroeville to Obernburg am Main | 4,122.71 mi (6,634.87 km) |
| Monroeville to Obernkirchen | 4,044.41 mi (6,508.85 km) |
| Monroeville to Oberschleissheim | 4,272.20 mi (6,875.44 km) |
| Monroeville to Oberstdorf | 4,249.72 mi (6,839.26 km) |
| Monroeville to Obertraubling | 4,270.90 mi (6,873.35 km) |
| Monroeville to Obertshausen | 4,103.27 mi (6,603.57 km) |
| Monroeville to Oberursel | 4,088.82 mi (6,580.33 km) |
| Monroeville to Ochsenfurt | 4,165.29 mi (6,703.38 km) |
| Monroeville to Ochsenhausen | 4,213.65 mi (6,781.22 km) |
| Monroeville to Ochtrup | 3,973.12 mi (6,394.12 km) |
| Monroeville to Odenthal | 4,005.77 mi (6,446.67 km) |
| Monroeville to Oelde | 4,021.08 mi (6,471.31 km) |
| Monroeville to Oelsnitz | 4,220.79 mi (6,792.71 km) |
| Monroeville to Oer-Erkenschwick | 3,992.42 mi (6,425.18 km) |
