| Rockford to Koscian | 4,557.48 mi (7,334.56 km) |
| Rockford to Koscielisko | 4,790.38 mi (7,709.38 km) |
| Rockford to Koscierzyna | 4,512.58 mi (7,262.30 km) |
| Rockford to Kostrzyn | 4,562.86 mi (7,343.22 km) |
| Rockford to Kostrzyn nad Odra | 4,470.04 mi (7,193.83 km) |
| Rockford to Koszalin | 4,451.84 mi (7,164.54 km) |
| Rockford to Kowary | 4,585.83 mi (7,380.19 km) |
| Rockford to Kozienice | 4,739.84 mi (7,628.03 km) |
| Rockford to Kozuchow | 4,536.77 mi (7,301.23 km) |
| Rockford to Kozy | 4,739.10 mi (7,626.85 km) |
| Rockford to Krakow | 4,756.58 mi (7,654.98 km) |
| Rockford to Krapkowice | 4,672.36 mi (7,519.43 km) |
| Rockford to Krasnik | 4,791.61 mi (7,711.35 km) |
| Rockford to Krasnystaw | 4,819.35 mi (7,755.99 km) |
| Rockford to Krosno | 4,834.06 mi (7,779.67 km) |
