| Petershagen to Oberkirch | 268.83 mi (432.63 km) |
| Petershagen to Obernburg am Main | 175.89 mi (283.06 km) |
| Petershagen to Obernkirchen | 10.29 mi (16.57 km) |
| Petershagen to Oberschleissheim | 307.71 mi (495.21 km) |
| Petershagen to Oberstdorf | 348.56 mi (560.95 km) |
| Petershagen to Obertraubling | 274.51 mi (441.78 km) |
| Petershagen to Obertshausen | 160.17 mi (257.76 km) |
| Petershagen to Oberursel | 151.56 mi (243.91 km) |
| Petershagen to Ochsenfurt | 194.80 mi (313.51 km) |
| Petershagen to Ochsenhausen | 301.00 mi (484.42 km) |
| Petershagen to Ochtrup | 76.06 mi (122.41 km) |
| Petershagen to Odenthal | 122.36 mi (196.92 km) |
| Petershagen to Oelde | 51.43 mi (82.77 km) |
| Petershagen to Oelsnitz | 193.59 mi (311.55 km) |
| Petershagen to Oer-Erkenschwick | 89.14 mi (143.46 km) |
