| Isbergues to Krotoszyn | 652.01 mi (1,049.30 km) |
| Isbergues to Kruszwica | 693.57 mi (1,116.19 km) |
| Isbergues to Krynica | 823.34 mi (1,325.03 km) |
| Isbergues to Krzeszowice | 755.89 mi (1,216.49 km) |
| Isbergues to Kudowa-Zdroj | 604.60 mi (973.01 km) |
| Isbergues to Kutno | 735.18 mi (1,183.15 km) |
| Isbergues to Kwidzyn | 728.41 mi (1,172.27 km) |
| Isbergues to Lancut | 870.26 mi (1,400.55 km) |
| Isbergues to Lapy | 884.65 mi (1,423.71 km) |
| Isbergues to Lask | 724.94 mi (1,166.69 km) |
| Isbergues to Laziska Gorne | 721.46 mi (1,161.07 km) |
| Isbergues to Lebork | 695.14 mi (1,118.73 km) |
| Isbergues to Leczna | 887.27 mi (1,427.93 km) |
| Isbergues to Leczyca | 727.76 mi (1,171.22 km) |
| Isbergues to Legionowo | 799.55 mi (1,286.76 km) |
