| Berlaar to Obernburg am Main | 216.24 mi (348.00 km) |
| Berlaar to Obernkirchen | 207.15 mi (333.37 km) |
| Berlaar to Oberschleissheim | 366.97 mi (590.59 km) |
| Berlaar to Oberstdorf | 360.39 mi (579.99 km) |
| Berlaar to Obertraubling | 364.94 mi (587.32 km) |
| Berlaar to Obertshausen | 197.28 mi (317.49 km) |
| Berlaar to Oberursel | 183.18 mi (294.80 km) |
| Berlaar to Ochsenfurt | 259.19 mi (417.12 km) |
| Berlaar to Ochsenhausen | 316.95 mi (510.09 km) |
| Berlaar to Ochtrup | 132.33 mi (212.96 km) |
| Berlaar to Odenthal | 107.23 mi (172.57 km) |
| Berlaar to Oelde | 158.53 mi (255.13 km) |
| Berlaar to Oelsnitz | 331.87 mi (534.09 km) |
| Berlaar to Oer-Erkenschwick | 117.88 mi (189.71 km) |
| Berlaar to Oerlinghausen | 182.30 mi (293.38 km) |
