| Berlaar to Oestrich-Winkel | 166.04 mi (267.21 km) |
| Berlaar to Offenburg | 234.41 mi (377.25 km) |
| Berlaar to Oftersheim | 211.57 mi (340.49 km) |
| Berlaar to Ohrdruf | 265.32 mi (427.00 km) |
| Berlaar to Ohringen | 252.17 mi (405.83 km) |
| Berlaar to Olbernhau | 379.50 mi (610.74 km) |
| Berlaar to Olching | 359.68 mi (578.84 km) |
| Berlaar to Oldenburg | 206.03 mi (331.58 km) |
| Berlaar to Oldenburg in Holstein | 341.05 mi (548.86 km) |
| Berlaar to Olfen | 124.85 mi (200.93 km) |
| Berlaar to Olpe | 138.38 mi (222.70 km) |
| Berlaar to Olsberg | 166.60 mi (268.12 km) |
| Berlaar to Oranienburg | 382.62 mi (615.77 km) |
| Berlaar to Ortenberg | 199.65 mi (321.30 km) |
| Berlaar to Oschatz | 366.10 mi (589.18 km) |
