| Watford to Katwijk | 208.43 mi (335.43 km) |
| Watford to Kerkrade | 284.57 mi (457.98 km) |
| Watford to Klazienaveen | 321.13 mi (516.80 km) |
| Watford to Koog aan de Zaan | 227.67 mi (366.40 km) |
| Watford to Krimpen aan den IJssel | 213.53 mi (343.65 km) |
| Watford to Krommenie | 226.80 mi (365.01 km) |
| Watford to Kudelstaart | 222.66 mi (358.33 km) |
| Watford to Landgraaf | 282.34 mi (454.39 km) |
| Watford to Landsmeer | 232.01 mi (373.39 km) |
| Watford to Langedijk | 231.27 mi (372.19 km) |
| Watford to Laren | 243.14 mi (391.29 km) |
| Watford to Leek | 304.06 mi (489.34 km) |
| Watford to Leerdam | 235.49 mi (378.98 km) |
| Watford to Leeuwarden | 281.24 mi (452.62 km) |
| Watford to Leiden | 211.12 mi (339.76 km) |
