| Rockford to Kluczbork | 4,657.75 mi (7,495.93 km) |
| Rockford to Knurow | 4,707.63 mi (7,576.19 km) |
| Rockford to Kobylka | 4,693.71 mi (7,553.79 km) |
| Rockford to Kokoszki | 4,518.22 mi (7,271.37 km) |
| Rockford to Kolbuszowa | 4,808.16 mi (7,737.98 km) |
| Rockford to Kolno | 4,667.24 mi (7,511.20 km) |
| Rockford to Kolo | 4,617.43 mi (7,431.04 km) |
| Rockford to Kolobrzeg | 4,433.36 mi (7,134.80 km) |
| Rockford to Koluszki | 4,675.40 mi (7,524.33 km) |
| Rockford to Komorniki | 4,551.21 mi (7,324.47 km) |
| Rockford to Konin | 4,604.77 mi (7,410.66 km) |
| Rockford to Konskie | 4,720.38 mi (7,596.71 km) |
| Rockford to Konstancin-Jeziorna | 4,702.51 mi (7,567.95 km) |
| Rockford to Konstantynow Lodzki | 4,660.25 mi (7,499.96 km) |
| Rockford to Koronowo | 4,545.76 mi (7,315.69 km) |
