| Opalenica to Beyne-Heusay | 477.35 mi (768.22 km) |
| Opalenica to Bierbeek | 509.85 mi (820.52 km) |
| Opalenica to Bilzen | 477.78 mi (768.91 km) |
| Opalenica to Binche | 543.91 mi (875.33 km) |
| Opalenica to Bissegem | 575.28 mi (925.83 km) |
| Opalenica to Blankenberge | 571.53 mi (919.78 km) |
| Opalenica to Blegny | 472.81 mi (760.91 km) |
| Opalenica to Bocholt | 469.67 mi (755.86 km) |
| Opalenica to Boechout | 516.18 mi (830.71 km) |
| Opalenica to Bonheiden | 516.02 mi (830.46 km) |
| Opalenica to Boom | 522.19 mi (840.38 km) |
| Opalenica to Boortmeerbeek | 515.49 mi (829.60 km) |
| Opalenica to Borgerhout | 516.99 mi (832.01 km) |
| Opalenica to Borgloon | 486.30 mi (782.62 km) |
| Opalenica to Bornem | 527.53 mi (848.97 km) |
