| Sliven to Bitritto | 501.37 mi (806.88 km) |
| Sliven to Bollate | 874.82 mi (1,407.89 km) |
| Sliven to Bologna | 759.44 mi (1,222.19 km) |
| Sliven to Bolzano | 781.24 mi (1,257.28 km) |
| Sliven to Bomporto | 775.96 mi (1,248.79 km) |
| Sliven to Bonate di Sopra | 854.46 mi (1,375.12 km) |
| Sliven to Bondeno | 758.29 mi (1,220.35 km) |
| Sliven to Bordighera | 940.73 mi (1,513.95 km) |
| Sliven to Borgaro Torinese | 943.16 mi (1,517.86 km) |
| Sliven to Borgo a Buggiano | 787.83 mi (1,267.89 km) |
| Sliven to Borgo San Dalmazzo | 949.32 mi (1,527.79 km) |
| Sliven to Borgo San Lorenzo | 755.57 mi (1,215.97 km) |
| Sliven to Borgomanero | 907.25 mi (1,460.08 km) |
| Sliven to Borgoricco | 738.09 mi (1,187.84 km) |
| Sliven to Borgosatollo | 820.23 mi (1,320.03 km) |
