| Opwijk to Berga | 622.54 mi (1,001.88 km) |
| Opwijk to Berja | 1,037.05 mi (1,668.97 km) |
| Opwijk to Bermeo | 613.50 mi (987.33 km) |
| Opwijk to Berriozar | 625.60 mi (1,006.80 km) |
| Opwijk to Betanzos | 786.54 mi (1,265.81 km) |
| Opwijk to Betera | 817.29 mi (1,315.30 km) |
| Opwijk to Bilbao | 628.18 mi (1,010.96 km) |
| Opwijk to Binefar | 656.27 mi (1,056.16 km) |
| Opwijk to Binisalem | 782.34 mi (1,259.05 km) |
| Opwijk to Blanes | 645.45 mi (1,038.76 km) |
| Opwijk to Boadilla del Monte | 825.66 mi (1,328.77 km) |
| Opwijk to Boiro | 842.11 mi (1,355.25 km) |
| Opwijk to Bolanos de Calatrava | 918.74 mi (1,478.57 km) |
| Opwijk to Bollullos de la Mitacion | 1,069.50 mi (1,721.19 km) |
| Opwijk to Bollullos par del Condado | 1,078.84 mi (1,736.22 km) |
