| Opoczno to Blumberg | 579.34 mi (932.36 km) |
| Opoczno to Bobenheim-Roxheim | 538.12 mi (866.02 km) |
| Opoczno to Bobingen | 473.22 mi (761.57 km) |
| Opoczno to Boblingen | 533.05 mi (857.86 km) |
| Opoczno to Bocholt | 586.60 mi (944.04 km) |
| Opoczno to Bochum | 562.38 mi (905.06 km) |
| Opoczno to Bockenem | 436.76 mi (702.90 km) |
| Opoczno to Bockhorn | 535.19 mi (861.31 km) |
| Opoczno to Bogen | 376.90 mi (606.56 km) |
| Opoczno to Bohl-Iggelheim | 545.03 mi (877.14 km) |
| Opoczno to Bohmte | 514.59 mi (828.16 km) |
| Opoczno to Boizenburg | 426.07 mi (685.70 km) |
| Opoczno to Bonen | 538.54 mi (866.69 km) |
| Opoczno to Bonn | 573.65 mi (923.20 km) |
| Opoczno to Bopfingen | 472.87 mi (761.00 km) |
