| Llantrisant to Krosno Odrzanskie | 788.21 mi (1,268.51 km) |
| Llantrisant to Krotoszyn | 889.81 mi (1,432.01 km) |
| Llantrisant to Kruszwica | 920.81 mi (1,481.89 km) |
| Llantrisant to Krynica | 1,074.78 mi (1,729.69 km) |
| Llantrisant to Krzeszowice | 1,004.45 mi (1,616.51 km) |
| Llantrisant to Kudowa-Zdroj | 853.86 mi (1,374.16 km) |
| Llantrisant to Kutno | 967.00 mi (1,556.24 km) |
| Llantrisant to Kwidzyn | 943.40 mi (1,518.26 km) |
| Llantrisant to Lancut | 1,117.05 mi (1,797.72 km) |
| Llantrisant to Lapy | 1,108.60 mi (1,784.12 km) |
| Llantrisant to Lask | 962.89 mi (1,549.61 km) |
| Llantrisant to Laziska Gorne | 970.56 mi (1,561.97 km) |
| Llantrisant to Lebork | 898.03 mi (1,445.24 km) |
| Llantrisant to Leczna | 1,125.40 mi (1,811.15 km) |
| Llantrisant to Leczyca | 961.42 mi (1,547.25 km) |
