| Cities | Distance |
|---|---|
| Bonn to Obernburg am Main | 109.22 mi (175.78 km) |
| Bonn to Obernkirchen | 136.93 mi (220.37 km) |
| Bonn to Oberschleissheim | 263.78 mi (424.52 km) |
| Bonn to Oberstdorf | 270.94 mi (436.04 km) |
| Bonn to Obertraubling | 256.57 mi (412.92 km) |
| Bonn to Obertshausen | 89.15 mi (143.48 km) |
| Bonn to Oberursel | 74.56 mi (119.99 km) |
| Bonn to Ochsenfurt | 151.06 mi (243.11 km) |
| Bonn to Ochsenhausen | 224.03 mi (360.53 km) |
| Bonn to Ochtrup | 101.80 mi (163.83 km) |
| Bonn to Odenthal | 20.74 mi (33.38 km) |
| Bonn to Oelde | 88.52 mi (142.45 km) |
| Bonn to Oelsnitz | 223.35 mi (359.45 km) |
| Bonn to Oer-Erkenschwick | 63.14 mi (101.61 km) |
| Bonn to Oerlinghausen | 108.78 mi (175.06 km) |