| Forest to Berga | 613.38 mi (987.14 km) |
| Forest to Berja | 1,029.66 mi (1,657.08 km) |
| Forest to Bermeo | 608.35 mi (979.04 km) |
| Forest to Berriozar | 619.29 mi (996.65 km) |
| Forest to Betanzos | 785.04 mi (1,263.39 km) |
| Forest to Betera | 809.12 mi (1,302.15 km) |
| Forest to Bilbao | 623.09 mi (1,002.76 km) |
| Forest to Binefar | 648.12 mi (1,043.05 km) |
| Forest to Binisalem | 772.38 mi (1,243.02 km) |
| Forest to Blanes | 635.64 mi (1,022.97 km) |
| Forest to Boadilla del Monte | 819.82 mi (1,319.37 km) |
| Forest to Boiro | 840.55 mi (1,352.73 km) |
| Forest to Bolanos de Calatrava | 912.28 mi (1,468.17 km) |
| Forest to Bollullos de la Mitacion | 1,063.87 mi (1,712.14 km) |
| Forest to Bollullos par del Condado | 1,073.42 mi (1,727.51 km) |
