| Isbergues to Kalisz | 679.73 mi (1,093.92 km) |
| Isbergues to Kamien Pomorski | 568.49 mi (914.90 km) |
| Isbergues to Kamienna Gora | 593.37 mi (954.94 km) |
| Isbergues to Karczew | 814.85 mi (1,311.37 km) |
| Isbergues to Kartuzy | 708.49 mi (1,140.20 km) |
| Isbergues to Katowice | 727.54 mi (1,170.86 km) |
| Isbergues to Kedzierzyn-Kozle | 691.05 mi (1,112.14 km) |
| Isbergues to Kepno | 676.07 mi (1,088.03 km) |
| Isbergues to Ketrzyn | 830.85 mi (1,337.12 km) |
| Isbergues to Kety | 740.39 mi (1,191.54 km) |
| Isbergues to Kielce | 792.81 mi (1,275.90 km) |
| Isbergues to Kielczow | 641.67 mi (1,032.67 km) |
| Isbergues to Klobuck | 718.77 mi (1,156.74 km) |
| Isbergues to Klodzko | 622.59 mi (1,001.96 km) |
| Isbergues to Kluczbork | 687.31 mi (1,106.12 km) |
