| Castle Rock to Kanjiza | 5,622.38 mi (9,048.34 km) |
| Castle Rock to Kikinda | 5,647.06 mi (9,088.07 km) |
| Castle Rock to Kladovo | 5,779.07 mi (9,300.52 km) |
| Castle Rock to Knic | 5,757.63 mi (9,266.01 km) |
| Castle Rock to Knjazevac | 5,833.72 mi (9,388.47 km) |
| Castle Rock to Koceljeva | 5,699.41 mi (9,172.32 km) |
| Castle Rock to Kosjeric | 5,727.87 mi (9,218.11 km) |
| Castle Rock to Kovacica | 5,690.81 mi (9,158.47 km) |
| Castle Rock to Kovin | 5,720.85 mi (9,206.81 km) |
| Castle Rock to Kragujevac | 5,759.41 mi (9,268.88 km) |
| Castle Rock to Kraljevo | 5,767.03 mi (9,281.14 km) |
| Castle Rock to Krupanj | 5,690.95 mi (9,158.69 km) |
| Castle Rock to Krusevac | 5,794.71 mi (9,325.68 km) |
| Castle Rock to Kucevo | 5,756.82 mi (9,264.70 km) |
| Castle Rock to Kula | 5,631.07 mi (9,062.34 km) |
