| Harmanli to Blackburn | 1,533.18 mi (2,467.41 km) |
| Harmanli to Blackpool | 1,556.53 mi (2,504.99 km) |
| Harmanli to Blairgowrie | 1,641.48 mi (2,641.71 km) |
| Harmanli to Blandford Forum | 1,460.89 mi (2,351.08 km) |
| Harmanli to Blaydon | 1,536.85 mi (2,473.32 km) |
| Harmanli to Bletchley | 1,423.72 mi (2,291.25 km) |
| Harmanli to Bloxwich | 1,488.31 mi (2,395.20 km) |
| Harmanli to Blunsdon Saint Andrew | 1,458.86 mi (2,347.81 km) |
| Harmanli to Blyth | 1,534.17 mi (2,469.01 km) |
| Harmanli to Bo'ness | 1,634.16 mi (2,629.93 km) |
| Harmanli to Bodmin | 1,564.58 mi (2,517.94 km) |
| Harmanli to Bognor Regis | 1,396.77 mi (2,247.89 km) |
| Harmanli to Bolsover | 1,474.59 mi (2,373.12 km) |
| Harmanli to Bolton | 1,527.05 mi (2,457.55 km) |
| Harmanli to Bonhill | 1,667.22 mi (2,683.14 km) |
