| Bilzen to Obernburg am Main | 174.81 mi (281.33 km) |
| Bilzen to Obernkirchen | 182.38 mi (293.51 km) |
| Bilzen to Oberschleissheim | 325.74 mi (524.23 km) |
| Bilzen to Oberstdorf | 321.42 mi (517.28 km) |
| Bilzen to Obertraubling | 323.55 mi (520.71 km) |
| Bilzen to Obertshausen | 155.97 mi (251.01 km) |
| Bilzen to Oberursel | 141.98 mi (228.50 km) |
| Bilzen to Ochsenfurt | 217.81 mi (350.54 km) |
| Bilzen to Ochsenhausen | 277.16 mi (446.05 km) |
| Bilzen to Ochtrup | 117.17 mi (188.57 km) |
| Bilzen to Odenthal | 70.59 mi (113.60 km) |
| Bilzen to Oelde | 131.80 mi (212.10 km) |
| Bilzen to Oelsnitz | 292.93 mi (471.43 km) |
| Bilzen to Oer-Erkenschwick | 92.16 mi (148.32 km) |
| Bilzen to Oerlinghausen | 155.54 mi (250.32 km) |
