| Ronkonkoma to Jicin | 4,069.32 mi (6,548.93 km) |
| Ronkonkoma to Jihlava | 4,112.57 mi (6,618.54 km) |
| Ronkonkoma to Jindrichuv Hradec | 4,097.73 mi (6,594.66 km) |
| Ronkonkoma to Jirkov | 3,992.93 mi (6,425.99 km) |
| Ronkonkoma to Kadan | 3,989.84 mi (6,421.03 km) |
| Ronkonkoma to Karlovy Vary | 3,978.61 mi (6,402.95 km) |
| Ronkonkoma to Karvina | 4,212.40 mi (6,779.20 km) |
| Ronkonkoma to Kladno | 4,029.54 mi (6,484.92 km) |
| Ronkonkoma to Klasterec nad Ohri | 3,985.64 mi (6,414.27 km) |
| Ronkonkoma to Klatovy | 4,021.52 mi (6,472.02 km) |
| Ronkonkoma to Kolin | 4,076.66 mi (6,560.75 km) |
| Ronkonkoma to Koprivnice | 4,205.81 mi (6,768.60 km) |
| Ronkonkoma to Kralupy nad Vltavou | 4,034.96 mi (6,493.64 km) |
| Ronkonkoma to Kraluv Dvur | 4,033.31 mi (6,490.99 km) |
| Ronkonkoma to Krnov | 4,171.73 mi (6,713.75 km) |
