| Greenbelt to Kanjiza | 4,640.92 mi (7,468.84 km) |
| Greenbelt to Kikinda | 4,665.84 mi (7,508.94 km) |
| Greenbelt to Kladovo | 4,800.42 mi (7,725.53 km) |
| Greenbelt to Knic | 4,750.47 mi (7,645.15 km) |
| Greenbelt to Knjazevac | 4,837.31 mi (7,784.90 km) |
| Greenbelt to Koceljeva | 4,691.71 mi (7,550.58 km) |
| Greenbelt to Kosjeric | 4,714.28 mi (7,586.90 km) |
| Greenbelt to Kovacica | 4,700.37 mi (7,564.52 km) |
| Greenbelt to Kovin | 4,728.34 mi (7,609.53 km) |
| Greenbelt to Kragujevac | 4,755.83 mi (7,653.76 km) |
| Greenbelt to Kraljevo | 4,756.77 mi (7,655.29 km) |
| Greenbelt to Krupanj | 4,677.56 mi (7,527.80 km) |
| Greenbelt to Krusevac | 4,788.61 mi (7,706.52 km) |
| Greenbelt to Kucevo | 4,767.16 mi (7,672.01 km) |
| Greenbelt to Kula | 4,637.70 mi (7,463.65 km) |
