| Race to Berga | 746.28 mi (1,201.02 km) |
| Race to Berja | 1,163.90 mi (1,873.12 km) |
| Race to Bermeo | 922.09 mi (1,483.96 km) |
| Race to Berriozar | 886.79 mi (1,427.16 km) |
| Race to Betanzos | 1,185.60 mi (1,908.04 km) |
| Race to Betera | 940.62 mi (1,513.78 km) |
| Race to Bilbao | 935.23 mi (1,505.11 km) |
| Race to Binefar | 824.43 mi (1,326.78 km) |
| Race to Binisalem | 797.97 mi (1,284.20 km) |
| Race to Blanes | 718.88 mi (1,156.92 km) |
| Race to Boadilla del Monte | 1,062.85 mi (1,710.49 km) |
| Race to Boiro | 1,233.15 mi (1,984.57 km) |
| Race to Bolanos de Calatrava | 1,111.50 mi (1,788.79 km) |
| Race to Bollullos de la Mitacion | 1,280.61 mi (2,060.94 km) |
| Race to Bollullos par del Condado | 1,298.38 mi (2,089.53 km) |
