| Ionia to Katwijk | 3,947.69 mi (6,353.20 km) |
| Ionia to Kerkrade | 4,055.38 mi (6,526.50 km) |
| Ionia to Klazienaveen | 4,022.76 mi (6,474.01 km) |
| Ionia to Koog aan de Zaan | 3,952.72 mi (6,361.29 km) |
| Ionia to Krimpen aan den IJssel | 3,963.50 mi (6,378.64 km) |
| Ionia to Krommenie | 3,950.37 mi (6,357.50 km) |
| Ionia to Kudelstaart | 3,958.75 mi (6,371.00 km) |
| Ionia to Landgraaf | 4,052.51 mi (6,521.89 km) |
| Ionia to Landsmeer | 3,958.13 mi (6,370.00 km) |
| Ionia to Langedijk | 3,944.81 mi (6,348.55 km) |
| Ionia to Laren | 3,976.02 mi (6,398.78 km) |
| Ionia to Leek | 3,986.07 mi (6,414.96 km) |
| Ionia to Leerdam | 3,983.18 mi (6,410.31 km) |
| Ionia to Leeuwarden | 3,963.38 mi (6,378.45 km) |
| Ionia to Leiden | 3,951.76 mi (6,359.74 km) |
