| Merthyr Tudful to Karahalli | 1,832.35 mi (2,948.88 km) |
| Merthyr Tudful to Karakocan | 2,245.13 mi (3,613.19 km) |
| Merthyr Tudful to Karakopru | 2,268.86 mi (3,651.38 km) |
| Merthyr Tudful to Karaman | 2,036.08 mi (3,276.75 km) |
| Merthyr Tudful to Karapinar | 2,025.72 mi (3,260.09 km) |
| Merthyr Tudful to Karatas | 2,153.99 mi (3,466.52 km) |
| Merthyr Tudful to Karatepe | 1,745.53 mi (2,809.16 km) |
| Merthyr Tudful to Karayilan | 2,182.49 mi (3,512.38 km) |
| Merthyr Tudful to Kargipinar | 2,109.25 mi (3,394.50 km) |
| Merthyr Tudful to Karkamis | 2,251.16 mi (3,622.90 km) |
| Merthyr Tudful to Karliova | 2,272.29 mi (3,656.90 km) |
| Merthyr Tudful to Kars | 2,307.83 mi (3,714.09 km) |
| Merthyr Tudful to Kartal | 1,706.72 mi (2,746.70 km) |
| Merthyr Tudful to Kas | 1,936.21 mi (3,116.03 km) |
| Merthyr Tudful to Kastamonu | 1,879.81 mi (3,025.26 km) |
