| Nieuwkoop to Kobarid | 570.55 mi (918.21 km) |
| Nieuwkoop to Kobilje | 644.83 mi (1,037.75 km) |
| Nieuwkoop to Kocevje | 642.50 mi (1,034.00 km) |
| Nieuwkoop to Komen | 598.63 mi (963.40 km) |
| Nieuwkoop to Komenda | 603.34 mi (970.98 km) |
| Nieuwkoop to Koper | 612.40 mi (985.56 km) |
| Nieuwkoop to Kostanjevica na Krki | 650.70 mi (1,047.21 km) |
| Nieuwkoop to Kostel | 651.06 mi (1,047.79 km) |
| Nieuwkoop to Kozje | 644.00 mi (1,036.42 km) |
| Nieuwkoop to Kranj | 596.40 mi (959.81 km) |
| Nieuwkoop to Kranjska Gora | 564.85 mi (909.03 km) |
| Nieuwkoop to Krizevci | 641.12 mi (1,031.78 km) |
| Nieuwkoop to Krsko | 647.52 mi (1,042.08 km) |
| Nieuwkoop to Kuzma | 626.88 mi (1,008.86 km) |
| Nieuwkoop to Lasko | 629.13 mi (1,012.49 km) |
