| Sliven to Berga | 1,245.86 mi (2,005.01 km) |
| Sliven to Berja | 1,597.74 mi (2,571.32 km) |
| Sliven to Bermeo | 1,460.63 mi (2,350.66 km) |
| Sliven to Berriozar | 1,414.09 mi (2,275.76 km) |
| Sliven to Betanzos | 1,734.05 mi (2,790.68 km) |
| Sliven to Betera | 1,404.57 mi (2,260.43 km) |
| Sliven to Bilbao | 1,472.07 mi (2,369.07 km) |
| Sliven to Binefar | 1,327.07 mi (2,135.72 km) |
| Sliven to Binisalem | 1,235.31 mi (1,988.04 km) |
| Sliven to Blanes | 1,203.47 mi (1,936.80 km) |
| Sliven to Boadilla del Monte | 1,561.65 mi (2,513.23 km) |
| Sliven to Boiro | 1,776.83 mi (2,859.54 km) |
| Sliven to Bolanos de Calatrava | 1,585.27 mi (2,551.25 km) |
| Sliven to Bollullos de la Mitacion | 1,746.15 mi (2,810.16 km) |
| Sliven to Bollullos par del Condado | 1,766.56 mi (2,843.00 km) |
