| Piastow to Oberkirch | 615.59 mi (990.69 km) |
| Piastow to Obernburg am Main | 533.41 mi (858.45 km) |
| Piastow to Obernkirchen | 496.05 mi (798.31 km) |
| Piastow to Oberschleissheim | 491.67 mi (791.27 km) |
| Piastow to Oberstdorf | 574.47 mi (924.53 km) |
| Piastow to Obertraubling | 440.70 mi (709.24 km) |
| Piastow to Obertshausen | 540.51 mi (869.87 km) |
| Piastow to Oberursel | 548.01 mi (881.94 km) |
| Piastow to Ochsenfurt | 500.68 mi (805.77 km) |
| Piastow to Ochsenhausen | 559.40 mi (900.26 km) |
| Piastow to Ochtrup | 577.68 mi (929.68 km) |
| Piastow to Odenthal | 593.70 mi (955.47 km) |
| Piastow to Oelde | 539.98 mi (869.02 km) |
| Piastow to Oelsnitz | 394.19 mi (634.39 km) |
| Piastow to Oer-Erkenschwick | 579.96 mi (933.36 km) |
