| Pianiga to Oberkirch | 281.61 mi (453.21 km) |
| Pianiga to Obernburg am Main | 330.78 mi (532.34 km) |
| Pianiga to Obernkirchen | 488.29 mi (785.83 km) |
| Pianiga to Oberschleissheim | 194.01 mi (312.23 km) |
| Pianiga to Oberstdorf | 157.96 mi (254.22 km) |
| Pianiga to Obertraubling | 242.46 mi (390.20 km) |
| Pianiga to Obertshausen | 350.81 mi (564.58 km) |
| Pianiga to Oberursel | 364.34 mi (586.34 km) |
| Pianiga to Ochsenfurt | 303.41 mi (488.29 km) |
| Pianiga to Ochsenhausen | 205.22 mi (330.27 km) |
| Pianiga to Ochtrup | 514.84 mi (828.55 km) |
| Pianiga to Odenthal | 445.89 mi (717.59 km) |
| Pianiga to Oelde | 474.20 mi (763.16 km) |
| Pianiga to Oelsnitz | 342.67 mi (551.48 km) |
| Pianiga to Oer-Erkenschwick | 479.23 mi (771.24 km) |
