| Blachownia to Oberkirch | 510.45 mi (821.48 km) |
| Blachownia to Obernburg am Main | 438.06 mi (705.00 km) |
| Blachownia to Obernkirchen | 435.23 mi (700.44 km) |
| Blachownia to Oberschleissheim | 375.02 mi (603.54 km) |
| Blachownia to Oberstdorf | 456.53 mi (734.71 km) |
| Blachownia to Obertraubling | 327.63 mi (527.27 km) |
| Blachownia to Obertshausen | 448.44 mi (721.69 km) |
| Blachownia to Oberursel | 458.06 mi (737.17 km) |
| Blachownia to Ochsenfurt | 400.94 mi (645.25 km) |
| Blachownia to Ochsenhausen | 446.09 mi (717.90 km) |
| Blachownia to Ochtrup | 515.42 mi (829.48 km) |
| Blachownia to Odenthal | 516.01 mi (830.44 km) |
| Blachownia to Oelde | 472.34 mi (760.16 km) |
| Blachownia to Oelsnitz | 299.19 mi (481.49 km) |
| Blachownia to Oer-Erkenschwick | 509.99 mi (820.75 km) |
