| Herndon to Katwijk | 3,842.03 mi (6,183.14 km) |
| Herndon to Kerkrade | 3,942.38 mi (6,344.65 km) |
| Herndon to Klazienaveen | 3,928.63 mi (6,322.52 km) |
| Herndon to Koog aan de Zaan | 3,850.45 mi (6,196.70 km) |
| Herndon to Krimpen aan den IJssel | 3,855.73 mi (6,205.20 km) |
| Herndon to Krommenie | 3,848.31 mi (6,193.26 km) |
| Herndon to Kudelstaart | 3,854.26 mi (6,202.83 km) |
| Herndon to Landgraaf | 3,939.77 mi (6,340.45 km) |
| Herndon to Landsmeer | 3,855.87 mi (6,205.42 km) |
| Herndon to Langedijk | 3,844.57 mi (6,187.24 km) |
| Herndon to Laren | 3,872.94 mi (6,232.90 km) |
| Herndon to Leek | 3,894.21 mi (6,267.12 km) |
| Herndon to Leerdam | 3,876.63 mi (6,238.84 km) |
| Herndon to Leeuwarden | 3,870.26 mi (6,228.59 km) |
| Herndon to Leiden | 3,845.92 mi (6,189.41 km) |
