| Willoughby to Katwijk | 3,872.91 mi (6,232.84 km) |
| Willoughby to Kerkrade | 3,977.86 mi (6,401.75 km) |
| Willoughby to Klazienaveen | 3,952.90 mi (6,361.58 km) |
| Willoughby to Koog aan de Zaan | 3,879.34 mi (6,243.20 km) |
| Willoughby to Krimpen aan den IJssel | 3,887.90 mi (6,256.97 km) |
| Willoughby to Krommenie | 3,877.07 mi (6,239.54 km) |
| Willoughby to Kudelstaart | 3,884.48 mi (6,251.46 km) |
| Willoughby to Landgraaf | 3,975.09 mi (6,397.29 km) |
| Willoughby to Landsmeer | 3,884.77 mi (6,251.93 km) |
| Willoughby to Langedijk | 3,872.24 mi (6,231.77 km) |
| Willoughby to Laren | 3,902.37 mi (6,280.25 km) |
| Willoughby to Leek | 3,917.05 mi (6,303.89 km) |
| Willoughby to Leerdam | 3,908.13 mi (6,289.52 km) |
| Willoughby to Leeuwarden | 3,893.79 mi (6,266.45 km) |
| Willoughby to Leiden | 3,876.91 mi (6,239.29 km) |
