| Llantrisant to Karis | 1,191.75 mi (1,917.94 km) |
| Llantrisant to Karkkila | 1,219.62 mi (1,962.78 km) |
| Llantrisant to Kauhajoki | 1,207.58 mi (1,943.41 km) |
| Llantrisant to Kauhava | 1,253.51 mi (2,017.34 km) |
| Llantrisant to Kauniainen | 1,229.92 mi (1,979.36 km) |
| Llantrisant to Kemi | 1,381.98 mi (2,224.08 km) |
| Llantrisant to Kemijarvi | 1,485.26 mi (2,390.29 km) |
| Llantrisant to Kempele | 1,377.24 mi (2,216.45 km) |
| Llantrisant to Kerava | 1,245.56 mi (2,004.54 km) |
| Llantrisant to Keuruu | 1,276.34 mi (2,054.07 km) |
| Llantrisant to Kiiminki | 1,391.32 mi (2,239.11 km) |
| Llantrisant to Kirkkonummi | 1,217.52 mi (1,959.40 km) |
| Llantrisant to Kitee | 1,438.50 mi (2,315.05 km) |
| Llantrisant to Kiuruvesi | 1,369.11 mi (2,203.36 km) |
| Llantrisant to Kivisto | 1,235.71 mi (1,988.69 km) |
