| Cities | Distance |
|---|---|
| Unna to Oberkirch | 208.11 mi (334.93 km) |
| Unna to Obernburg am Main | 133.23 mi (214.42 km) |
| Unna to Obernkirchen | 79.16 mi (127.40 km) |
| Unna to Oberschleissheim | 285.04 mi (458.74 km) |
| Unna to Oberstdorf | 307.77 mi (495.31 km) |
| Unna to Obertraubling | 265.70 mi (427.61 km) |
| Unna to Obertshausen | 113.07 mi (181.97 km) |
| Unna to Oberursel | 99.81 mi (160.62 km) |
| Unna to Ochsenfurt | 166.82 mi (268.47 km) |
| Unna to Ochsenhausen | 259.55 mi (417.71 km) |
| Unna to Ochtrup | 51.00 mi (82.08 km) |
| Unna to Odenthal | 42.56 mi (68.50 km) |
| Unna to Oelde | 28.56 mi (45.97 km) |
| Unna to Oelsnitz | 209.52 mi (337.19 km) |
| Unna to Oer-Erkenschwick | 20.22 mi (32.54 km) |