| Castagneto Carducci to Berga | 450.85 mi (725.57 km) |
| Castagneto Carducci to Berja | 837.96 mi (1,348.56 km) |
| Castagneto Carducci to Bermeo | 669.70 mi (1,077.77 km) |
| Castagneto Carducci to Berriozar | 619.95 mi (997.71 km) |
| Castagneto Carducci to Betanzos | 945.10 mi (1,520.99 km) |
| Castagneto Carducci to Betera | 623.80 mi (1,003.91 km) |
| Castagneto Carducci to Bilbao | 680.29 mi (1,094.83 km) |
| Castagneto Carducci to Binefar | 532.09 mi (856.32 km) |
| Castagneto Carducci to Binisalem | 468.58 mi (754.10 km) |
| Castagneto Carducci to Blanes | 411.21 mi (661.78 km) |
| Castagneto Carducci to Boadilla del Monte | 768.62 mi (1,236.98 km) |
| Castagneto Carducci to Boiro | 985.25 mi (1,585.61 km) |
| Castagneto Carducci to Bolanos de Calatrava | 801.51 mi (1,289.90 km) |
| Castagneto Carducci to Bollullos de la Mitacion | 967.82 mi (1,557.55 km) |
| Castagneto Carducci to Bollullos par del Condado | 986.98 mi (1,588.39 km) |
