| Opera to Berga | 431.99 mi (695.23 km) |
| Opera to Berja | 863.61 mi (1,389.84 km) |
| Opera to Bermeo | 604.34 mi (972.60 km) |
| Opera to Berriozar | 567.57 mi (913.41 km) |
| Opera to Betanzos | 871.71 mi (1,402.88 km) |
| Opera to Betera | 634.29 mi (1,020.79 km) |
| Opera to Bilbao | 617.19 mi (993.27 km) |
| Opera to Binefar | 508.05 mi (817.62 km) |
| Opera to Binisalem | 510.28 mi (821.21 km) |
| Opera to Blanes | 411.19 mi (661.75 km) |
| Opera to Boadilla del Monte | 745.31 mi (1,199.45 km) |
| Opera to Boiro | 917.67 mi (1,476.85 km) |
| Opera to Bolanos de Calatrava | 799.00 mi (1,285.86 km) |
| Opera to Bollullos de la Mitacion | 968.48 mi (1,558.61 km) |
| Opera to Bollullos par del Condado | 985.44 mi (1,585.91 km) |
