| Harlingen to Knurow | 602.28 mi (969.28 km) |
| Harlingen to Kobylka | 660.79 mi (1,063.44 km) |
| Harlingen to Kokoszki | 538.97 mi (867.38 km) |
| Harlingen to Kolbuszowa | 726.27 mi (1,168.82 km) |
| Harlingen to Kolno | 680.39 mi (1,094.99 km) |
| Harlingen to Kolo | 556.37 mi (895.39 km) |
| Harlingen to Kolobrzeg | 420.73 mi (677.11 km) |
| Harlingen to Koluszki | 611.93 mi (984.80 km) |
| Harlingen to Komorniki | 475.41 mi (765.09 km) |
| Harlingen to Konin | 540.95 mi (870.58 km) |
| Harlingen to Konskie | 648.15 mi (1,043.09 km) |
| Harlingen to Konstancin-Jeziorna | 660.94 mi (1,063.67 km) |
| Harlingen to Konstantynow Lodzki | 592.64 mi (953.76 km) |
| Harlingen to Koronowo | 516.50 mi (831.22 km) |
| Harlingen to Koscian | 476.14 mi (766.28 km) |
