| Sliven to Azcoitia | 1,442.35 mi (2,321.23 km) |
| Sliven to Azpeitia | 1,440.06 mi (2,317.56 km) |
| Sliven to Azuqueca de Henares | 1,528.00 mi (2,459.08 km) |
| Sliven to Badajoz | 1,750.76 mi (2,817.58 km) |
| Sliven to Badalona | 1,235.12 mi (1,987.74 km) |
| Sliven to Baena | 1,646.52 mi (2,649.82 km) |
| Sliven to Baeza | 1,594.06 mi (2,565.38 km) |
| Sliven to Bailen | 1,606.80 mi (2,585.90 km) |
| Sliven to Balaguer | 1,302.35 mi (2,095.93 km) |
| Sliven to Banolas | 1,199.14 mi (1,929.83 km) |
| Sliven to Baranain | 1,414.26 mi (2,276.02 km) |
| Sliven to Barbadanes | 1,732.57 mi (2,788.30 km) |
| Sliven to Barbastro | 1,333.37 mi (2,145.85 km) |
| Sliven to Barcelona | 1,238.72 mi (1,993.53 km) |
| Sliven to Bargas | 1,578.03 mi (2,539.59 km) |
