| Barreiro to Berga | 620.79 mi (999.06 km) |
| Barreiro to Berja | 357.12 mi (574.72 km) |
| Barreiro to Bermeo | 465.59 mi (749.29 km) |
| Barreiro to Berriozar | 482.20 mi (776.03 km) |
| Barreiro to Betanzos | 321.80 mi (517.89 km) |
| Barreiro to Betera | 465.39 mi (748.97 km) |
| Barreiro to Bilbao | 450.66 mi (725.27 km) |
| Barreiro to Binefar | 540.25 mi (869.45 km) |
| Barreiro to Binisalem | 640.77 mi (1,031.22 km) |
| Barreiro to Blanes | 659.02 mi (1,060.59 km) |
| Barreiro to Boadilla del Monte | 301.58 mi (485.34 km) |
| Barreiro to Boiro | 275.36 mi (443.15 km) |
| Barreiro to Bolanos de Calatrava | 288.53 mi (464.34 km) |
| Barreiro to Bollullos de la Mitacion | 184.37 mi (296.71 km) |
| Barreiro to Bollullos par del Condado | 165.62 mi (266.54 km) |
