| Balen to Obernburg am Main | 197.88 mi (318.45 km) |
| Balen to Obernkirchen | 186.04 mi (299.40 km) |
| Balen to Oberschleissheim | 350.24 mi (563.66 km) |
| Balen to Oberstdorf | 347.42 mi (559.11 km) |
| Balen to Obertraubling | 346.18 mi (557.12 km) |
| Balen to Obertshausen | 178.44 mi (287.17 km) |
| Balen to Oberursel | 164.10 mi (264.09 km) |
| Balen to Ochsenfurt | 240.46 mi (386.99 km) |
| Balen to Ochsenhausen | 302.94 mi (487.53 km) |
| Balen to Ochtrup | 113.09 mi (182.00 km) |
| Balen to Odenthal | 85.82 mi (138.12 km) |
| Balen to Oelde | 137.00 mi (220.47 km) |
| Balen to Oelsnitz | 310.69 mi (500.01 km) |
| Balen to Oer-Erkenschwick | 96.32 mi (155.01 km) |
| Balen to Oerlinghausen | 160.81 mi (258.80 km) |
