| Imperial to Oberkirch | 5,829.75 mi (9,382.07 km) |
| Imperial to Obernburg am Main | 5,798.54 mi (9,331.85 km) |
| Imperial to Obernkirchen | 5,677.43 mi (9,136.94 km) |
| Imperial to Oberschleissheim | 5,953.78 mi (9,581.69 km) |
| Imperial to Oberstdorf | 5,956.09 mi (9,585.40 km) |
| Imperial to Obertraubling | 5,935.35 mi (9,552.02 km) |
| Imperial to Obertshausen | 5,777.76 mi (9,298.40 km) |
| Imperial to Oberursel | 5,763.07 mi (9,274.77 km) |
| Imperial to Ochsenfurt | 5,836.55 mi (9,393.03 km) |
| Imperial to Ochsenhausen | 5,912.18 mi (9,514.74 km) |
| Imperial to Ochtrup | 5,622.82 mi (9,049.06 km) |
| Imperial to Odenthal | 5,677.26 mi (9,136.67 km) |
| Imperial to Oelde | 5,669.91 mi (9,124.84 km) |
| Imperial to Oelsnitz | 5,860.62 mi (9,431.76 km) |
| Imperial to Oer-Erkenschwick | 5,651.92 mi (9,095.88 km) |
