| Oudewater to Kalisz | 562.99 mi (906.05 km) |
| Oudewater to Kamien Pomorski | 433.07 mi (696.96 km) |
| Oudewater to Kamienna Gora | 488.32 mi (785.88 km) |
| Oudewater to Karczew | 694.67 mi (1,117.97 km) |
| Oudewater to Kartuzy | 573.90 mi (923.60 km) |
| Oudewater to Katowice | 624.13 mi (1,004.44 km) |
| Oudewater to Kedzierzyn-Kozle | 587.94 mi (946.20 km) |
| Oudewater to Kepno | 563.81 mi (907.36 km) |
| Oudewater to Ketrzyn | 698.97 mi (1,124.89 km) |
| Oudewater to Kety | 640.27 mi (1,030.41 km) |
| Oudewater to Kielce | 682.16 mi (1,097.84 km) |
| Oudewater to Kielczow | 531.43 mi (855.26 km) |
| Oudewater to Klobuck | 609.24 mi (980.48 km) |
| Oudewater to Klodzko | 520.85 mi (838.23 km) |
| Oudewater to Kluczbork | 577.79 mi (929.87 km) |
