| Merthyr Tudful to Kecskemet | 1,085.89 mi (1,747.58 km) |
| Merthyr Tudful to Kerepestarcsa | 1,048.79 mi (1,687.86 km) |
| Merthyr Tudful to Keszthely | 987.49 mi (1,589.21 km) |
| Merthyr Tudful to Kiskoros | 1,077.71 mi (1,734.41 km) |
| Merthyr Tudful to Kiskunfelegyhaza | 1,098.90 mi (1,768.51 km) |
| Merthyr Tudful to Kiskunhalas | 1,092.37 mi (1,758.01 km) |
| Merthyr Tudful to Kiskunlachaza | 1,048.51 mi (1,687.42 km) |
| Merthyr Tudful to Kiskunmajsa | 1,100.88 mi (1,771.70 km) |
| Merthyr Tudful to Kisujszallas | 1,122.23 mi (1,806.06 km) |
| Merthyr Tudful to Kisvarda | 1,150.92 mi (1,852.22 km) |
| Merthyr Tudful to Komarom | 994.99 mi (1,601.28 km) |
| Merthyr Tudful to Komlo | 1,048.95 mi (1,688.12 km) |
| Merthyr Tudful to Kormend | 952.89 mi (1,533.52 km) |
| Merthyr Tudful to Koszeg | 939.10 mi (1,511.34 km) |
| Merthyr Tudful to Lajosmizse | 1,076.64 mi (1,732.69 km) |
