| Llantrisant to Klaukkala | 1,233.74 mi (1,985.52 km) |
| Llantrisant to Kokkola | 1,279.33 mi (2,058.88 km) |
| Llantrisant to Kontiolahti | 1,442.49 mi (2,321.46 km) |
| Llantrisant to Korsholm | 1,215.70 mi (1,956.49 km) |
| Llantrisant to Kotka | 1,307.29 mi (2,103.88 km) |
| Llantrisant to Kouvola | 1,306.80 mi (2,103.10 km) |
| Llantrisant to Kuhmo | 1,463.15 mi (2,354.71 km) |
| Llantrisant to Kuopio | 1,380.30 mi (2,221.38 km) |
| Llantrisant to Kurikka | 1,219.61 mi (1,962.78 km) |
| Llantrisant to Kuusamo | 1,504.28 mi (2,420.91 km) |
| Llantrisant to Kuusankoski | 1,304.97 mi (2,100.14 km) |
| Llantrisant to Lahti | 1,275.21 mi (2,052.25 km) |
| Llantrisant to Laitila | 1,148.41 mi (1,848.18 km) |
| Llantrisant to Lapinlahti | 1,383.39 mi (2,226.36 km) |
| Llantrisant to Lappeenranta | 1,358.26 mi (2,185.91 km) |
