| Merthyr Tudful to Alesd | 1,196.27 mi (1,925.21 km) |
| Merthyr Tudful to Alexandria | 1,423.80 mi (2,291.38 km) |
| Merthyr Tudful to Arad | 1,177.58 mi (1,895.14 km) |
| Merthyr Tudful to Avrig | 1,322.47 mi (2,128.31 km) |
| Merthyr Tudful to Babadag | 1,535.27 mi (2,470.77 km) |
| Merthyr Tudful to Bacau | 1,403.23 mi (2,258.28 km) |
| Merthyr Tudful to Baia Mare | 1,229.61 mi (1,978.86 km) |
| Merthyr Tudful to Baia-Sprie | 1,234.98 mi (1,987.51 km) |
| Merthyr Tudful to Baicoi | 1,407.97 mi (2,265.91 km) |
| Merthyr Tudful to Bailesti | 1,338.54 mi (2,154.17 km) |
| Merthyr Tudful to Bals | 1,357.98 mi (2,185.46 km) |
| Merthyr Tudful to Baraolt | 1,362.73 mi (2,193.11 km) |
| Merthyr Tudful to Barlad | 1,446.48 mi (2,327.89 km) |
| Merthyr Tudful to Beclean | 1,268.74 mi (2,041.84 km) |
| Merthyr Tudful to Beius | 1,206.52 mi (1,941.71 km) |
