| Dublin to Berga | 862.49 mi (1,388.04 km) |
| Dublin to Berja | 1,151.44 mi (1,853.06 km) |
| Dublin to Bermeo | 704.77 mi (1,134.22 km) |
| Dublin to Berriozar | 756.28 mi (1,217.11 km) |
| Dublin to Betanzos | 701.50 mi (1,128.96 km) |
| Dublin to Betera | 988.98 mi (1,591.61 km) |
| Dublin to Bilbao | 713.82 mi (1,148.78 km) |
| Dublin to Binefar | 850.45 mi (1,368.66 km) |
| Dublin to Binisalem | 1,036.61 mi (1,668.27 km) |
| Dublin to Blanes | 908.99 mi (1,462.87 km) |
| Dublin to Boadilla del Monte | 901.22 mi (1,450.37 km) |
| Dublin to Boiro | 749.17 mi (1,205.67 km) |
| Dublin to Bolanos de Calatrava | 1,006.80 mi (1,620.28 km) |
| Dublin to Bollullos de la Mitacion | 1,106.66 mi (1,781.00 km) |
| Dublin to Bollullos par del Condado | 1,106.55 mi (1,780.83 km) |
