| Letchworth to Kortenberg | 218.63 mi (351.86 km) |
| Letchworth to Kortrijk | 170.18 mi (273.87 km) |
| Letchworth to Kraainem | 216.13 mi (347.83 km) |
| Letchworth to Kruibeke | 202.41 mi (325.75 km) |
| Letchworth to Kuurne | 170.30 mi (274.07 km) |
| Letchworth to La Bruyere | 240.29 mi (386.71 km) |
| Letchworth to La Calamine | 282.93 mi (455.33 km) |
| Letchworth to La Louviere | 217.61 mi (350.21 km) |
| Letchworth to Laarne | 187.61 mi (301.93 km) |
| Letchworth to Laeken | 211.63 mi (340.58 km) |
| Letchworth to Lanaken | 264.04 mi (424.93 km) |
| Letchworth to Landen | 244.14 mi (392.91 km) |
| Letchworth to Lebbeke | 198.80 mi (319.94 km) |
| Letchworth to Lede | 194.29 mi (312.68 km) |
| Letchworth to Ledegem | 164.18 mi (264.22 km) |
