| Merthyr Tudful to Kolarovo | 984.59 mi (1,584.55 km) |
| Merthyr Tudful to Komarno | 994.51 mi (1,600.50 km) |
| Merthyr Tudful to Kosice | 1,102.89 mi (1,774.94 km) |
| Merthyr Tudful to Krompachy | 1,082.16 mi (1,741.58 km) |
| Merthyr Tudful to Kysucke Nove Mesto | 984.25 mi (1,584.00 km) |
| Merthyr Tudful to Levice | 1,002.58 mi (1,613.50 km) |
| Merthyr Tudful to Levoca | 1,067.38 mi (1,717.78 km) |
| Merthyr Tudful to Liptovsky Mikulas | 1,023.87 mi (1,647.77 km) |
| Merthyr Tudful to Lucenec | 1,044.92 mi (1,681.64 km) |
| Merthyr Tudful to Malacky | 929.19 mi (1,495.39 km) |
| Merthyr Tudful to Martin | 995.21 mi (1,601.64 km) |
| Merthyr Tudful to Michalovce | 1,130.35 mi (1,819.12 km) |
| Merthyr Tudful to Modra | 944.27 mi (1,519.66 km) |
| Merthyr Tudful to Moldava nad Bodvou | 1,094.87 mi (1,762.03 km) |
| Merthyr Tudful to Myjava | 944.64 mi (1,520.25 km) |
