| Prospect Heights to Katwijk | 4,094.27 mi (6,589.08 km) |
| Prospect Heights to Kerkrade | 4,202.66 mi (6,763.53 km) |
| Prospect Heights to Klazienaveen | 4,167.82 mi (6,707.46 km) |
| Prospect Heights to Koog aan de Zaan | 4,098.88 mi (6,596.51 km) |
| Prospect Heights to Krimpen aan den IJssel | 4,110.30 mi (6,614.89 km) |
| Prospect Heights to Krommenie | 4,096.50 mi (6,592.69 km) |
| Prospect Heights to Kudelstaart | 4,105.17 mi (6,606.64 km) |
| Prospect Heights to Landgraaf | 4,199.77 mi (6,758.87 km) |
| Prospect Heights to Landsmeer | 4,104.28 mi (6,605.21 km) |
| Prospect Heights to Langedijk | 4,090.73 mi (6,583.40 km) |
| Prospect Heights to Laren | 4,122.24 mi (6,634.11 km) |
| Prospect Heights to Leek | 4,130.90 mi (6,648.04 km) |
| Prospect Heights to Leerdam | 4,129.81 mi (6,646.29 km) |
| Prospect Heights to Leeuwarden | 4,108.40 mi (6,611.84 km) |
| Prospect Heights to Leiden | 4,098.34 mi (6,595.65 km) |
