| Rockville Centre to Kanjiza | 4,435.00 mi (7,137.44 km) |
| Rockville Centre to Kikinda | 4,459.89 mi (7,177.50 km) |
| Rockville Centre to Kladovo | 4,594.40 mi (7,393.97 km) |
| Rockville Centre to Knic | 4,543.91 mi (7,312.71 km) |
| Rockville Centre to Knjazevac | 4,630.88 mi (7,452.69 km) |
| Rockville Centre to Koceljeva | 4,485.18 mi (7,218.21 km) |
| Rockville Centre to Kosjeric | 4,507.62 mi (7,254.32 km) |
| Rockville Centre to Kovacica | 4,494.18 mi (7,232.69 km) |
| Rockville Centre to Kovin | 4,522.08 mi (7,277.59 km) |
| Rockville Centre to Kragujevac | 4,549.32 mi (7,321.43 km) |
| Rockville Centre to Kraljevo | 4,550.15 mi (7,322.75 km) |
| Rockville Centre to Krupanj | 4,470.94 mi (7,195.28 km) |
| Rockville Centre to Krusevac | 4,582.04 mi (7,374.08 km) |
| Rockville Centre to Kucevo | 4,560.93 mi (7,340.11 km) |
| Rockville Centre to Kula | 4,431.50 mi (7,131.82 km) |