| Rockville Centre to Kluczbork | 4,187.39 mi (6,738.95 km) |
| Rockville Centre to Knurow | 4,231.49 mi (6,809.93 km) |
| Rockville Centre to Kobylka | 4,251.22 mi (6,841.68 km) |
| Rockville Centre to Kokoszki | 4,085.43 mi (6,574.86 km) |
| Rockville Centre to Kolbuszowa | 4,347.02 mi (6,995.85 km) |
| Rockville Centre to Kolno | 4,239.56 mi (6,822.92 km) |
| Rockville Centre to Kolo | 4,161.77 mi (6,697.72 km) |
| Rockville Centre to Kolobrzeg | 3,986.28 mi (6,415.30 km) |
| Rockville Centre to Koluszki | 4,220.31 mi (6,791.93 km) |
| Rockville Centre to Komorniki | 4,087.71 mi (6,578.54 km) |
| Rockville Centre to Konin | 4,147.64 mi (6,674.99 km) |
| Rockville Centre to Konskie | 4,262.44 mi (6,859.73 km) |
| Rockville Centre to Konstancin-Jeziorna | 4,257.02 mi (6,851.01 km) |
| Rockville Centre to Konstantynow Lodzki | 4,203.01 mi (6,764.09 km) |
| Rockville Centre to Koronowo | 4,099.07 mi (6,596.82 km) |
