| Dublin to Azcoitia | 725.55 mi (1,167.65 km) |
| Dublin to Azpeitia | 725.88 mi (1,168.19 km) |
| Dublin to Azuqueca de Henares | 894.37 mi (1,439.35 km) |
| Dublin to Badajoz | 1,000.33 mi (1,609.88 km) |
| Dublin to Badalona | 912.70 mi (1,468.84 km) |
| Dublin to Baena | 1,091.03 mi (1,755.84 km) |
| Dublin to Baeza | 1,070.06 mi (1,722.09 km) |
| Dublin to Bailen | 1,061.50 mi (1,708.31 km) |
| Dublin to Balaguer | 862.92 mi (1,388.74 km) |
| Dublin to Banolas | 880.48 mi (1,417.00 km) |
| Dublin to Baranain | 758.75 mi (1,221.09 km) |
| Dublin to Barbadanes | 767.21 mi (1,234.71 km) |
| Dublin to Barbastro | 835.42 mi (1,344.48 km) |
| Dublin to Barcelona | 914.82 mi (1,472.25 km) |
| Dublin to Bargas | 932.50 mi (1,500.71 km) |
