| Opoczno to Brandenburg | 338.12 mi (544.14 km) |
| Opoczno to Brandis | 331.15 mi (532.93 km) |
| Opoczno to Braunfels | 521.00 mi (838.46 km) |
| Opoczno to Braunsbedra | 361.94 mi (582.48 km) |
| Opoczno to Braunschweig | 421.42 mi (678.22 km) |
| Opoczno to Breckerfeld | 552.92 mi (889.83 km) |
| Opoczno to Breisach am Rhein | 611.85 mi (984.68 km) |
| Opoczno to Bremen | 499.60 mi (804.03 km) |
| Opoczno to Bremerhaven | 514.35 mi (827.77 km) |
| Opoczno to Bremervorde | 491.30 mi (790.67 km) |
| Opoczno to Bretten | 536.37 mi (863.21 km) |
| Opoczno to Bretzfeld | 502.07 mi (808.00 km) |
| Opoczno to Brieselang | 320.95 mi (516.52 km) |
| Opoczno to Brilon | 504.78 mi (812.36 km) |
| Opoczno to Bruchhausen-Vilsen | 488.90 mi (786.80 km) |
