| Letterkenny to Kortenberg | 581.78 mi (936.28 km) |
| Letterkenny to Kortrijk | 538.44 mi (866.54 km) |
| Letterkenny to Kraainem | 579.84 mi (933.17 km) |
| Letterkenny to Kruibeke | 562.60 mi (905.42 km) |
| Letterkenny to Kuurne | 538.37 mi (866.42 km) |
| Letterkenny to La Bruyere | 606.40 mi (975.91 km) |
| Letterkenny to La Calamine | 642.37 mi (1,033.79 km) |
| Letterkenny to La Louviere | 585.80 mi (942.75 km) |
| Letterkenny to Laarne | 551.94 mi (888.26 km) |
| Letterkenny to Laeken | 575.56 mi (926.28 km) |
| Letterkenny to Lanaken | 622.33 mi (1,001.54 km) |
| Letterkenny to Landen | 606.62 mi (976.26 km) |
| Letterkenny to Lebbeke | 562.21 mi (904.79 km) |
| Letterkenny to Lede | 558.68 mi (899.11 km) |
| Letterkenny to Ledegem | 532.71 mi (857.31 km) |
