| Nieuwkoop to Isny im Allgau | 388.73 mi (625.60 km) |
| Nieuwkoop to Isselburg | 76.24 mi (122.70 km) |
| Nieuwkoop to Issum | 83.55 mi (134.46 km) |
| Nieuwkoop to Itzehoe | 230.99 mi (371.74 km) |
| Nieuwkoop to Jena | 305.41 mi (491.51 km) |
| Nieuwkoop to Jever | 162.20 mi (261.04 km) |
| Nieuwkoop to Jork | 225.23 mi (362.47 km) |
| Nieuwkoop to Juchen | 105.47 mi (169.74 km) |
| Nieuwkoop to Julich | 110.75 mi (178.24 km) |
| Nieuwkoop to Juterbog | 352.68 mi (567.58 km) |
| Nieuwkoop to Kaarst | 103.61 mi (166.75 km) |
| Nieuwkoop to Kaiserslautern | 230.13 mi (370.36 km) |
| Nieuwkoop to Kalkar | 71.85 mi (115.63 km) |
| Nieuwkoop to Kall | 136.58 mi (219.80 km) |
| Nieuwkoop to Kaltenkirchen | 244.27 mi (393.12 km) |
