| Difficult Run to Jozefow | 4,482.90 mi (7,214.53 km) |
| Difficult Run to Kalisz | 4,380.96 mi (7,050.48 km) |
| Difficult Run to Kamien Pomorski | 4,186.95 mi (6,738.25 km) |
| Difficult Run to Kamienna Gora | 4,337.16 mi (6,979.98 km) |
| Difficult Run to Karczew | 4,485.33 mi (7,218.43 km) |
| Difficult Run to Kartuzy | 4,297.87 mi (6,916.76 km) |
| Difficult Run to Katowice | 4,468.40 mi (7,191.20 km) |
| Difficult Run to Kedzierzyn-Kozle | 4,434.52 mi (7,136.67 km) |
| Difficult Run to Kepno | 4,393.76 mi (7,071.08 km) |
| Difficult Run to Ketrzyn | 4,417.90 mi (7,109.93 km) |
| Difficult Run to Kety | 4,489.14 mi (7,224.57 km) |
| Difficult Run to Kielce | 4,506.91 mi (7,253.16 km) |
| Difficult Run to Kielczow | 4,368.46 mi (7,030.36 km) |
| Difficult Run to Klobuck | 4,442.13 mi (7,148.92 km) |
| Difficult Run to Klodzko | 4,372.59 mi (7,037.00 km) |
