| Bornheim to Obernburg am Main | 113.68 mi (182.95 km) |
| Bornheim to Obernkirchen | 138.18 mi (222.39 km) |
| Bornheim to Oberschleissheim | 268.15 mi (431.54 km) |
| Bornheim to Oberstdorf | 274.73 mi (442.14 km) |
| Bornheim to Obertraubling | 261.09 mi (420.18 km) |
| Bornheim to Obertshausen | 93.64 mi (150.70 km) |
| Bornheim to Oberursel | 79.06 mi (127.24 km) |
| Bornheim to Ochsenfurt | 155.56 mi (250.36 km) |
| Bornheim to Ochsenhausen | 227.93 mi (366.81 km) |
| Bornheim to Ochtrup | 100.25 mi (161.34 km) |
| Bornheim to Odenthal | 19.55 mi (31.47 km) |
| Bornheim to Oelde | 89.19 mi (143.53 km) |
| Bornheim to Oelsnitz | 227.61 mi (366.31 km) |
| Bornheim to Oer-Erkenschwick | 61.93 mi (99.67 km) |
| Bornheim to Oerlinghausen | 109.99 mi (177.02 km) |
