| Hackettstown to Katwijk | 3,654.09 mi (5,880.69 km) |
| Hackettstown to Kerkrade | 3,754.59 mi (6,042.44 km) |
| Hackettstown to Klazienaveen | 3,740.60 mi (6,019.91 km) |
| Hackettstown to Koog aan de Zaan | 3,662.47 mi (5,894.18 km) |
| Hackettstown to Krimpen aan den IJssel | 3,667.83 mi (5,902.80 km) |
| Hackettstown to Krommenie | 3,660.33 mi (5,890.74 km) |
| Hackettstown to Kudelstaart | 3,666.31 mi (5,900.36 km) |
| Hackettstown to Landgraaf | 3,751.98 mi (6,038.23 km) |
| Hackettstown to Landsmeer | 3,667.89 mi (5,902.90 km) |
| Hackettstown to Langedijk | 3,656.57 mi (5,884.69 km) |
| Hackettstown to Laren | 3,684.98 mi (5,930.40 km) |
| Hackettstown to Leek | 3,706.16 mi (5,964.49 km) |
| Hackettstown to Leerdam | 3,688.72 mi (5,936.41 km) |
| Hackettstown to Leeuwarden | 3,682.22 mi (5,925.96 km) |
| Hackettstown to Leiden | 3,657.99 mi (5,886.97 km) |
