| Grande-Synthe to Kalisz | 680.90 mi (1,095.81 km) |
| Grande-Synthe to Kamien Pomorski | 562.01 mi (904.47 km) |
| Grande-Synthe to Kamienna Gora | 597.68 mi (961.87 km) |
| Grande-Synthe to Karczew | 815.09 mi (1,311.75 km) |
| Grande-Synthe to Kartuzy | 702.57 mi (1,130.68 km) |
| Grande-Synthe to Katowice | 732.61 mi (1,179.02 km) |
| Grande-Synthe to Kedzierzyn-Kozle | 696.12 mi (1,120.30 km) |
| Grande-Synthe to Kepno | 678.59 mi (1,092.09 km) |
| Grande-Synthe to Ketrzyn | 826.41 mi (1,329.98 km) |
| Grande-Synthe to Kety | 746.33 mi (1,201.10 km) |
| Grande-Synthe to Kielce | 796.00 mi (1,281.04 km) |
| Grande-Synthe to Kielczow | 644.69 mi (1,037.54 km) |
| Grande-Synthe to Klobuck | 722.16 mi (1,162.20 km) |
| Grande-Synthe to Klodzko | 627.84 mi (1,010.40 km) |
| Grande-Synthe to Kluczbork | 690.64 mi (1,111.48 km) |
