| Central Islip to Krosno Odrzanskie | 4,012.50 mi (6,457.49 km) |
| Central Islip to Krotoszyn | 4,111.88 mi (6,617.44 km) |
| Central Islip to Kruszwica | 4,112.41 mi (6,618.29 km) |
| Central Islip to Krynica | 4,324.35 mi (6,959.37 km) |
| Central Islip to Krzeszowice | 4,248.09 mi (6,836.64 km) |
| Central Islip to Kudowa-Zdroj | 4,107.34 mi (6,610.13 km) |
| Central Islip to Kutno | 4,165.49 mi (6,703.71 km) |
| Central Islip to Kwidzyn | 4,099.42 mi (6,597.38 km) |
| Central Islip to Lancut | 4,348.85 mi (6,998.79 km) |
| Central Islip to Lapy | 4,266.64 mi (6,866.49 km) |
| Central Islip to Lask | 4,178.72 mi (6,725.01 km) |
| Central Islip to Laziska Gorne | 4,217.58 mi (6,787.54 km) |
| Central Islip to Lebork | 4,030.91 mi (6,487.13 km) |
| Central Islip to Leczna | 4,327.67 mi (6,964.71 km) |
| Central Islip to Leczyca | 4,165.56 mi (6,703.81 km) |
