| Rumst to Obernburg am Main | 224.82 mi (361.81 km) |
| Rumst to Obernkirchen | 217.33 mi (349.76 km) |
| Rumst to Oberschleissheim | 374.67 mi (602.97 km) |
| Rumst to Oberstdorf | 366.32 mi (589.53 km) |
| Rumst to Obertraubling | 373.61 mi (601.27 km) |
| Rumst to Obertshausen | 206.09 mi (331.67 km) |
| Rumst to Oberursel | 192.12 mi (309.19 km) |
| Rumst to Ochsenfurt | 267.89 mi (431.13 km) |
| Rumst to Ochsenhausen | 323.41 mi (520.48 km) |
| Rumst to Ochtrup | 141.95 mi (228.45 km) |
| Rumst to Odenthal | 117.30 mi (188.77 km) |
| Rumst to Oelde | 168.85 mi (271.73 km) |
| Rumst to Oelsnitz | 341.75 mi (549.99 km) |
| Rumst to Oer-Erkenschwick | 128.21 mi (206.33 km) |
| Rumst to Oerlinghausen | 192.59 mi (309.95 km) |
