| Boussu to Knurow | 655.77 mi (1,055.36 km) |
| Boussu to Kobylka | 759.95 mi (1,223.02 km) |
| Boussu to Kokoszki | 674.59 mi (1,085.65 km) |
| Boussu to Kolbuszowa | 790.60 mi (1,272.35 km) |
| Boussu to Kolno | 797.37 mi (1,283.25 km) |
| Boussu to Kolo | 651.05 mi (1,047.76 km) |
| Boussu to Kolobrzeg | 559.90 mi (901.08 km) |
| Boussu to Koluszki | 699.00 mi (1,124.93 km) |
| Boussu to Komorniki | 570.24 mi (917.71 km) |
| Boussu to Konin | 635.69 mi (1,023.05 km) |
| Boussu to Konskie | 725.92 mi (1,168.26 km) |
| Boussu to Konstancin-Jeziorna | 755.70 mi (1,216.18 km) |
| Boussu to Konstantynow Lodzki | 679.04 mi (1,092.81 km) |
| Boussu to Koronowo | 633.85 mi (1,020.09 km) |
| Boussu to Koscian | 566.57 mi (911.80 km) |
