| Piekary Slaskie to Oberkirch | 503.98 mi (811.08 km) |
| Piekary Slaskie to Obernburg am Main | 435.91 mi (701.53 km) |
| Piekary Slaskie to Obernkirchen | 443.61 mi (713.91 km) |
| Piekary Slaskie to Oberschleissheim | 363.54 mi (585.06 km) |
| Piekary Slaskie to Oberstdorf | 443.84 mi (714.29 km) |
| Piekary Slaskie to Obertraubling | 318.57 mi (512.69 km) |
| Piekary Slaskie to Obertshausen | 447.39 mi (720.00 km) |
| Piekary Slaskie to Oberursel | 457.67 mi (736.56 km) |
| Piekary Slaskie to Ochsenfurt | 397.39 mi (639.53 km) |
| Piekary Slaskie to Ochsenhausen | 436.09 mi (701.82 km) |
| Piekary Slaskie to Ochtrup | 522.80 mi (841.37 km) |
| Piekary Slaskie to Odenthal | 519.14 mi (835.48 km) |
| Piekary Slaskie to Oelde | 478.62 mi (770.26 km) |
| Piekary Slaskie to Oelsnitz | 298.65 mi (480.64 km) |
| Piekary Slaskie to Oer-Erkenschwick | 515.36 mi (829.40 km) |
