| Isperih to Kalisz | 687.50 mi (1,106.43 km) |
| Isperih to Kamien Pomorski | 893.34 mi (1,437.69 km) |
| Isperih to Kamienna Gora | 702.20 mi (1,130.08 km) |
| Isperih to Karczew | 632.83 mi (1,018.44 km) |
| Isperih to Kartuzy | 829.89 mi (1,335.58 km) |
| Isperih to Katowice | 582.88 mi (938.06 km) |
| Isperih to Kedzierzyn-Kozle | 611.84 mi (984.67 km) |
| Isperih to Kepno | 665.33 mi (1,070.74 km) |
| Isperih to Ketrzyn | 757.27 mi (1,218.70 km) |
| Isperih to Kety | 558.21 mi (898.36 km) |
| Isperih to Kielce | 573.09 mi (922.30 km) |
| Isperih to Kielczow | 682.07 mi (1,097.68 km) |
| Isperih to Klobuck | 619.26 mi (996.60 km) |
| Isperih to Klodzko | 665.94 mi (1,071.73 km) |
| Isperih to Kluczbork | 643.13 mi (1,035.02 km) |
