| Harrow to Katwijk | 207.48 mi (333.90 km) |
| Harrow to Kerkrade | 281.79 mi (453.49 km) |
| Harrow to Klazienaveen | 320.52 mi (515.83 km) |
| Harrow to Koog aan de Zaan | 227.09 mi (365.46 km) |
| Harrow to Krimpen aan den IJssel | 212.08 mi (341.31 km) |
| Harrow to Krommenie | 226.28 mi (364.16 km) |
| Harrow to Kudelstaart | 221.71 mi (356.81 km) |
| Harrow to Landgraaf | 279.60 mi (449.97 km) |
| Harrow to Landsmeer | 231.35 mi (372.32 km) |
| Harrow to Langedijk | 231.04 mi (371.82 km) |
| Harrow to Laren | 242.14 mi (389.69 km) |
| Harrow to Leek | 304.06 mi (489.34 km) |
| Harrow to Leerdam | 233.98 mi (376.56 km) |
| Harrow to Leeuwarden | 281.44 mi (452.93 km) |
| Harrow to Leiden | 210.09 mi (338.10 km) |
