| Merthyr Tudful to Bahce | 2,175.33 mi (3,500.86 km) |
| Merthyr Tudful to Bahcesaray | 2,398.24 mi (3,859.60 km) |
| Merthyr Tudful to Balikesir | 1,706.57 mi (2,746.46 km) |
| Merthyr Tudful to Balya | 1,689.15 mi (2,718.43 km) |
| Merthyr Tudful to Banaz | 1,823.10 mi (2,934.00 km) |
| Merthyr Tudful to Bandirma | 1,678.76 mi (2,701.70 km) |
| Merthyr Tudful to Bartin | 1,808.62 mi (2,910.69 km) |
| Merthyr Tudful to Baskale | 2,453.24 mi (3,948.11 km) |
| Merthyr Tudful to Baskil | 2,209.86 mi (3,556.42 km) |
| Merthyr Tudful to Basmakci | 1,871.86 mi (3,012.47 km) |
| Merthyr Tudful to Batman | 2,337.29 mi (3,761.50 km) |
| Merthyr Tudful to Battalgazi | 2,196.77 mi (3,535.36 km) |
| Merthyr Tudful to Bayat | 1,929.75 mi (3,105.64 km) |
| Merthyr Tudful to Bayburt | 2,199.24 mi (3,539.34 km) |
| Merthyr Tudful to Bayindir | 1,761.05 mi (2,834.14 km) |
