| Sliven to Bobenheim-Roxheim | 980.22 mi (1,577.52 km) |
| Sliven to Bobingen | 842.85 mi (1,356.43 km) |
| Sliven to Boblingen | 930.26 mi (1,497.11 km) |
| Sliven to Bocholt | 1,114.34 mi (1,793.36 km) |
| Sliven to Bochum | 1,080.48 mi (1,738.87 km) |
| Sliven to Bockenem | 991.38 mi (1,595.47 km) |
| Sliven to Bockhorn | 1,118.48 mi (1,800.02 km) |
| Sliven to Bogen | 784.21 mi (1,262.06 km) |
| Sliven to Bohl-Iggelheim | 976.95 mi (1,572.26 km) |
| Sliven to Bohmte | 1,069.28 mi (1,720.83 km) |
| Sliven to Boizenburg | 1,027.98 mi (1,654.37 km) |
| Sliven to Bonen | 1,063.46 mi (1,711.48 km) |
| Sliven to Bonn | 1,062.82 mi (1,710.44 km) |
| Sliven to Bopfingen | 877.96 mi (1,412.93 km) |
| Sliven to Boppard | 1,029.14 mi (1,656.24 km) |
