| Rockville Centre to Koscian | 4,091.79 mi (6,585.09 km) |
| Rockville Centre to Koscielisko | 4,310.50 mi (6,937.08 km) |
| Rockville Centre to Koscierzyna | 4,074.95 mi (6,558.01 km) |
| Rockville Centre to Kostrzyn | 4,103.02 mi (6,603.18 km) |
| Rockville Centre to Kostrzyn nad Odra | 4,001.38 mi (6,439.59 km) |
| Rockville Centre to Koszalin | 4,007.54 mi (6,449.51 km) |
| Rockville Centre to Kowary | 4,102.79 mi (6,602.80 km) |
| Rockville Centre to Kozienice | 4,291.29 mi (6,906.16 km) |
| Rockville Centre to Kozuchow | 4,062.92 mi (6,538.64 km) |
| Rockville Centre to Kozy | 4,261.59 mi (6,858.37 km) |
| Rockville Centre to Krakow | 4,284.76 mi (6,895.65 km) |
| Rockville Centre to Krapkowice | 4,195.49 mi (6,751.99 km) |
| Rockville Centre to Krasnik | 4,339.37 mi (6,983.54 km) |
| Rockville Centre to Krasnystaw | 4,372.50 mi (7,036.86 km) |
| Rockville Centre to Krosno | 4,367.20 mi (7,028.33 km) |
