| Maumee to Oberkirch | 4,226.91 mi (6,802.56 km) |
| Maumee to Obernburg am Main | 4,220.67 mi (6,792.51 km) |
| Maumee to Obernkirchen | 4,133.96 mi (6,652.96 km) |
| Maumee to Oberschleissheim | 4,372.28 mi (7,036.51 km) |
| Maumee to Oberstdorf | 4,354.24 mi (7,007.47 km) |
| Maumee to Obertraubling | 4,367.86 mi (7,029.38 km) |
| Maumee to Obertshausen | 4,200.84 mi (6,760.59 km) |
| Maumee to Oberursel | 4,186.24 mi (6,737.11 km) |
| Maumee to Ochsenfurt | 4,262.72 mi (6,860.18 km) |
| Maumee to Ochsenhausen | 4,316.47 mi (6,946.68 km) |
| Maumee to Ochtrup | 4,065.13 mi (6,542.20 km) |
| Maumee to Odenthal | 4,102.06 mi (6,601.62 km) |
| Maumee to Oelde | 4,113.31 mi (6,619.74 km) |
| Maumee to Oelsnitz | 4,312.95 mi (6,941.02 km) |
| Maumee to Oer-Erkenschwick | 4,086.38 mi (6,576.40 km) |
