| Castellaneta to Berga | 787.84 mi (1,267.91 km) |
| Castellaneta to Berja | 1,100.29 mi (1,770.75 km) |
| Castellaneta to Bermeo | 1,024.71 mi (1,649.11 km) |
| Castellaneta to Berriozar | 969.20 mi (1,559.78 km) |
| Castellaneta to Betanzos | 1,299.78 mi (2,091.80 km) |
| Castellaneta to Betera | 920.51 mi (1,481.43 km) |
| Castellaneta to Bilbao | 1,033.87 mi (1,663.86 km) |
| Castellaneta to Binefar | 866.87 mi (1,395.09 km) |
| Castellaneta to Binisalem | 746.64 mi (1,201.60 km) |
| Castellaneta to Blanes | 738.34 mi (1,188.25 km) |
| Castellaneta to Boadilla del Monte | 1,090.48 mi (1,754.95 km) |
| Castellaneta to Boiro | 1,335.90 mi (2,149.93 km) |
| Castellaneta to Bolanos de Calatrava | 1,100.92 mi (1,771.76 km) |
| Castellaneta to Bollullos de la Mitacion | 1,255.89 mi (2,021.16 km) |
| Castellaneta to Bollullos par del Condado | 1,276.95 mi (2,055.05 km) |
