| Lake Ronkonkoma to Jicin | 4,067.66 mi (6,546.26 km) |
| Lake Ronkonkoma to Jihlava | 4,110.93 mi (6,615.89 km) |
| Lake Ronkonkoma to Jindrichuv Hradec | 4,096.09 mi (6,592.02 km) |
| Lake Ronkonkoma to Jirkov | 3,991.28 mi (6,423.34 km) |
| Lake Ronkonkoma to Kadan | 3,988.19 mi (6,418.37 km) |
| Lake Ronkonkoma to Karlovy Vary | 3,976.97 mi (6,400.31 km) |
| Lake Ronkonkoma to Karvina | 4,210.73 mi (6,776.52 km) |
| Lake Ronkonkoma to Kladno | 4,027.89 mi (6,482.27 km) |
| Lake Ronkonkoma to Klasterec nad Ohri | 3,983.99 mi (6,411.62 km) |
| Lake Ronkonkoma to Klatovy | 4,019.89 mi (6,469.39 km) |
| Lake Ronkonkoma to Kolin | 4,075.01 mi (6,558.09 km) |
| Lake Ronkonkoma to Koprivnice | 4,204.15 mi (6,765.93 km) |
| Lake Ronkonkoma to Kralupy nad Vltavou | 4,033.31 mi (6,490.98 km) |
| Lake Ronkonkoma to Kraluv Dvur | 4,031.67 mi (6,488.34 km) |
| Lake Ronkonkoma to Krnov | 4,170.06 mi (6,711.06 km) |
