| Rockford to Jozefow | 4,703.92 mi (7,570.23 km) |
| Rockford to Kalisz | 4,618.92 mi (7,433.44 km) |
| Rockford to Kamien Pomorski | 4,415.95 mi (7,106.78 km) |
| Rockford to Kamienna Gora | 4,593.01 mi (7,391.74 km) |
| Rockford to Karczew | 4,706.74 mi (7,574.77 km) |
| Rockford to Kartuzy | 4,510.00 mi (7,258.14 km) |
| Rockford to Katowice | 4,716.55 mi (7,590.55 km) |
| Rockford to Kedzierzyn-Kozle | 4,685.41 mi (7,540.44 km) |
| Rockford to Kepno | 4,636.69 mi (7,462.03 km) |
| Rockford to Ketrzyn | 4,619.65 mi (7,434.62 km) |
| Rockford to Kety | 4,739.83 mi (7,628.03 km) |
| Rockford to Kielce | 4,742.33 mi (7,632.04 km) |
| Rockford to Kielczow | 4,616.12 mi (7,428.93 km) |
| Rockford to Klobuck | 4,684.52 mi (7,539.01 km) |
| Rockford to Klodzko | 4,629.25 mi (7,450.05 km) |
