| Derry to Ayamonte | 1,229.29 mi (1,978.35 km) |
| Derry to Azcoitia | 846.77 mi (1,362.74 km) |
| Derry to Azpeitia | 847.13 mi (1,363.33 km) |
| Derry to Azuqueca de Henares | 1,014.16 mi (1,632.13 km) |
| Derry to Badajoz | 1,113.32 mi (1,791.72 km) |
| Derry to Badalona | 1,033.13 mi (1,662.66 km) |
| Derry to Baena | 1,208.86 mi (1,945.48 km) |
| Derry to Baeza | 1,189.08 mi (1,913.63 km) |
| Derry to Bailen | 1,180.16 mi (1,899.28 km) |
| Derry to Balaguer | 984.17 mi (1,583.86 km) |
| Derry to Banolas | 1,000.01 mi (1,609.36 km) |
| Derry to Baranain | 880.20 mi (1,416.55 km) |
| Derry to Barbadanes | 877.26 mi (1,411.82 km) |
| Derry to Barbastro | 956.88 mi (1,539.95 km) |
| Derry to Barcelona | 1,035.31 mi (1,666.18 km) |
