| Opalenica to Berga | 978.85 mi (1,575.30 km) |
| Opalenica to Berja | 1,422.46 mi (2,289.22 km) |
| Opalenica to Bermeo | 1,073.71 mi (1,727.98 km) |
| Opalenica to Berriozar | 1,062.22 mi (1,709.48 km) |
| Opalenica to Betanzos | 1,293.03 mi (2,080.93 km) |
| Opalenica to Betera | 1,189.67 mi (1,914.58 km) |
| Opalenica to Bilbao | 1,088.61 mi (1,751.95 km) |
| Opalenica to Binefar | 1,042.95 mi (1,678.47 km) |
| Opalenica to Binisalem | 1,085.12 mi (1,746.34 km) |
| Opalenica to Blanes | 972.44 mi (1,564.99 km) |
| Opalenica to Boadilla del Monte | 1,261.94 mi (2,030.90 km) |
| Opalenica to Boiro | 1,347.25 mi (2,168.19 km) |
| Opalenica to Bolanos de Calatrava | 1,335.89 mi (2,149.90 km) |
| Opalenica to Bollullos de la Mitacion | 1,502.00 mi (2,417.24 km) |
| Opalenica to Bollullos par del Condado | 1,515.94 mi (2,439.67 km) |
