| Rockford to Kanjiza | 4,945.00 mi (7,958.21 km) |
| Rockford to Kikinda | 4,970.06 mi (7,998.54 km) |
| Rockford to Kladovo | 5,104.67 mi (8,215.17 km) |
| Rockford to Knic | 5,070.06 mi (8,159.48 km) |
| Rockford to Knjazevac | 5,151.81 mi (8,291.03 km) |
| Rockford to Koceljeva | 5,011.00 mi (8,064.42 km) |
| Rockford to Kosjeric | 5,037.10 mi (8,106.43 km) |
| Rockford to Kovacica | 5,010.10 mi (8,062.97 km) |
| Rockford to Kovin | 5,039.52 mi (8,110.32 km) |
| Rockford to Kragujevac | 5,073.47 mi (8,164.97 km) |
| Rockford to Kraljevo | 5,078.16 mi (8,172.51 km) |
| Rockford to Krupanj | 4,999.89 mi (8,046.55 km) |
| Rockford to Krusevac | 5,108.00 mi (8,220.53 km) |
| Rockford to Kucevo | 5,077.16 mi (8,170.90 km) |
| Rockford to Kula | 4,948.39 mi (7,963.67 km) |
