| Merthyr Tudful to Veliki Preslav | 1,516.26 mi (2,440.19 km) |
| Merthyr Tudful to Veliko Tarnovo | 1,469.41 mi (2,364.79 km) |
| Merthyr Tudful to Velingrad | 1,445.22 mi (2,325.85 km) |
| Merthyr Tudful to Vidin | 1,319.46 mi (2,123.47 km) |
| Merthyr Tudful to Vratsa | 1,378.70 mi (2,218.81 km) |
| Merthyr Tudful to Yambol | 1,529.61 mi (2,461.67 km) |
| Merthyr Tudful to Zlatograd | 1,516.88 mi (2,441.18 km) |
| Merthyr Tudful to Beli Manastir | 1,077.67 mi (1,734.34 km) |
| Merthyr Tudful to Bjelovar | 999.89 mi (1,609.17 km) |
| Merthyr Tudful to Cakovec | 966.37 mi (1,555.23 km) |
| Merthyr Tudful to Cepin | 1,085.15 mi (1,746.38 km) |
| Merthyr Tudful to Crikvenica | 940.54 mi (1,513.66 km) |
| Merthyr Tudful to Dakovo | 1,086.16 mi (1,748.01 km) |
| Merthyr Tudful to Daruvar | 1,027.02 mi (1,652.84 km) |
| Merthyr Tudful to Duga Resa | 962.11 mi (1,548.36 km) |
