| Merthyr Tudful to Brescia | 752.55 mi (1,211.11 km) |
| Merthyr Tudful to Bressanone | 760.17 mi (1,223.38 km) |
| Merthyr Tudful to Bresso | 714.63 mi (1,150.09 km) |
| Merthyr Tudful to Brindisi | 1,268.15 mi (2,040.89 km) |
| Merthyr Tudful to Broni | 739.34 mi (1,189.85 km) |
| Merthyr Tudful to Bronte | 1,307.47 mi (2,104.18 km) |
| Merthyr Tudful to Brugherio | 718.12 mi (1,155.70 km) |
| Merthyr Tudful to Brugnera | 826.30 mi (1,329.80 km) |
| Merthyr Tudful to Bruino | 679.62 mi (1,093.75 km) |
| Merthyr Tudful to Brunico | 768.32 mi (1,236.50 km) |
| Merthyr Tudful to Brusciano | 1,126.07 mi (1,812.24 km) |
| Merthyr Tudful to Bucine | 898.93 mi (1,446.69 km) |
| Merthyr Tudful to Budrio | 845.65 mi (1,360.95 km) |
| Merthyr Tudful to Busca | 705.28 mi (1,135.04 km) |
| Merthyr Tudful to Bussolengo | 779.32 mi (1,254.19 km) |
