| Plock to Oberkirch | 579.74 mi (933.01 km) |
| Plock to Obernburg am Main | 493.45 mi (794.13 km) |
| Plock to Obernkirchen | 446.06 mi (717.86 km) |
| Plock to Oberschleissheim | 464.90 mi (748.18 km) |
| Plock to Oberstdorf | 548.17 mi (882.20 km) |
| Plock to Obertraubling | 411.64 mi (662.48 km) |
| Plock to Obertshausen | 499.14 mi (803.28 km) |
| Plock to Oberursel | 505.76 mi (813.94 km) |
| Plock to Ochsenfurt | 463.02 mi (745.16 km) |
| Plock to Ochsenhausen | 529.25 mi (851.74 km) |
| Plock to Ochtrup | 527.51 mi (848.94 km) |
| Plock to Odenthal | 547.13 mi (880.52 km) |
| Plock to Oelde | 491.17 mi (790.47 km) |
| Plock to Oelsnitz | 355.85 mi (572.68 km) |
| Plock to Oer-Erkenschwick | 531.46 mi (855.30 km) |
