| Letterkenny to Kromeriz | 1,127.25 mi (1,814.13 km) |
| Letterkenny to Krupka | 943.65 mi (1,518.66 km) |
| Letterkenny to Kurim | 1,093.64 mi (1,760.04 km) |
| Letterkenny to Kutna Hora | 1,022.34 mi (1,645.30 km) |
| Letterkenny to Kyjov | 1,126.76 mi (1,813.34 km) |
| Letterkenny to Lanskroun | 1,076.10 mi (1,731.82 km) |
| Letterkenny to Liberec | 988.57 mi (1,590.94 km) |
| Letterkenny to Lisen | 1,102.83 mi (1,774.83 km) |
| Letterkenny to Litomerice | 959.08 mi (1,543.49 km) |
| Letterkenny to Litomysl | 1,065.62 mi (1,714.94 km) |
| Letterkenny to Litovel | 1,101.25 mi (1,772.29 km) |
| Letterkenny to Litvinov | 936.59 mi (1,507.30 km) |
| Letterkenny to Louny | 951.59 mi (1,531.43 km) |
| Letterkenny to Lovosice | 956.48 mi (1,539.31 km) |
| Letterkenny to Lysa nad Labem | 997.06 mi (1,604.61 km) |
