| Rumia to Oberkirch | 607.35 mi (977.44 km) |
| Rumia to Obernburg am Main | 509.54 mi (820.02 km) |
| Rumia to Obernkirchen | 413.56 mi (665.56 km) |
| Rumia to Oberschleissheim | 525.97 mi (846.47 km) |
| Rumia to Oberstdorf | 606.84 mi (976.61 km) |
| Rumia to Obertraubling | 469.49 mi (755.57 km) |
| Rumia to Obertshausen | 509.11 mi (819.34 km) |
| Rumia to Oberursel | 511.60 mi (823.33 km) |
| Rumia to Ochsenfurt | 489.75 mi (788.18 km) |
| Rumia to Ochsenhausen | 577.58 mi (929.53 km) |
| Rumia to Ochtrup | 489.25 mi (787.37 km) |
| Rumia to Odenthal | 529.98 mi (852.92 km) |
| Rumia to Oelde | 463.81 mi (746.42 km) |
| Rumia to Oelsnitz | 388.27 mi (624.87 km) |
| Rumia to Oer-Erkenschwick | 503.97 mi (811.07 km) |
