| Letchworth to Katwijk | 197.83 mi (318.38 km) |
| Letchworth to Kerkrade | 281.85 mi (453.59 km) |
| Letchworth to Klazienaveen | 308.70 mi (496.80 km) |
| Letchworth to Koog aan de Zaan | 215.52 mi (346.84 km) |
| Letchworth to Krimpen aan den IJssel | 205.00 mi (329.91 km) |
| Letchworth to Krommenie | 214.42 mi (345.08 km) |
| Letchworth to Kudelstaart | 211.96 mi (341.12 km) |
| Letchworth to Landgraaf | 279.42 mi (449.69 km) |
| Letchworth to Landsmeer | 220.13 mi (354.27 km) |
| Letchworth to Langedijk | 217.76 mi (350.45 km) |
| Letchworth to Laren | 232.51 mi (374.19 km) |
| Letchworth to Leek | 289.47 mi (465.86 km) |
| Letchworth to Leerdam | 227.05 mi (365.40 km) |
| Letchworth to Leeuwarden | 266.06 mi (428.19 km) |
| Letchworth to Leiden | 200.83 mi (323.20 km) |
