| Rockford to Kamen | 4,267.55 mi (6,867.97 km) |
| Rockford to Kamenz | 4,506.30 mi (7,252.20 km) |
| Rockford to Kamp-Lintfort | 4,230.29 mi (6,808.00 km) |
| Rockford to Kandel | 4,384.38 mi (7,055.99 km) |
| Rockford to Kappeln | 4,228.97 mi (6,805.87 km) |
| Rockford to Karben | 4,359.98 mi (7,016.71 km) |
| Rockford to Karlsdorf-Neuthard | 4,395.04 mi (7,073.13 km) |
| Rockford to Karlsfeld | 4,540.24 mi (7,306.81 km) |
| Rockford to Karlsruhe | 4,394.89 mi (7,072.89 km) |
| Rockford to Kassel | 4,343.59 mi (6,990.34 km) |
| Rockford to Kaufbeuren | 4,522.99 mi (7,279.05 km) |
| Rockford to Kaufering | 4,524.26 mi (7,281.10 km) |
| Rockford to Kaufungen | 4,349.24 mi (6,999.43 km) |
| Rockford to Kehl | 4,390.47 mi (7,065.78 km) |
| Rockford to Kelheim | 4,525.72 mi (7,283.44 km) |
