| Hopa to Oberkirch | 1,687.65 mi (2,716.01 km) |
| Hopa to Obernburg am Main | 1,650.13 mi (2,655.63 km) |
| Hopa to Obernkirchen | 1,682.98 mi (2,708.49 km) |
| Hopa to Oberschleissheim | 1,526.70 mi (2,456.98 km) |
| Hopa to Oberstdorf | 1,580.79 mi (2,544.04 km) |
| Hopa to Obertraubling | 1,506.49 mi (2,424.46 km) |
| Hopa to Obertshausen | 1,665.97 mi (2,681.12 km) |
| Hopa to Oberursel | 1,678.60 mi (2,701.44 km) |
| Hopa to Ochsenfurt | 1,607.33 mi (2,586.75 km) |
| Hopa to Ochsenhausen | 1,599.62 mi (2,574.34 km) |
| Hopa to Ochtrup | 1,761.70 mi (2,835.18 km) |
| Hopa to Odenthal | 1,750.56 mi (2,817.25 km) |
| Hopa to Oelde | 1,716.59 mi (2,762.58 km) |
| Hopa to Oelsnitz | 1,525.65 mi (2,455.30 km) |
| Hopa to Oer-Erkenschwick | 1,751.85 mi (2,819.34 km) |
