| Central Islip to Legionowo | 4,215.31 mi (6,783.88 km) |
| Central Islip to Legnica | 4,079.14 mi (6,564.74 km) |
| Central Islip to Leszno | 4,074.45 mi (6,557.19 km) |
| Central Islip to Lezajsk | 4,348.98 mi (6,999.00 km) |
| Central Islip to Libiaz | 4,237.17 mi (6,819.07 km) |
| Central Islip to Lidzbark | 4,147.31 mi (6,674.46 km) |
| Central Islip to Lidzbark Warminski | 4,145.63 mi (6,671.75 km) |
| Central Islip to Limanowa | 4,293.73 mi (6,910.10 km) |
| Central Islip to Lipno | 4,137.36 mi (6,658.43 km) |
| Central Islip to Lobez | 3,982.24 mi (6,408.80 km) |
| Central Islip to Lodz | 4,184.31 mi (6,733.99 km) |
| Central Islip to Lomianki | 4,217.63 mi (6,787.62 km) |
| Central Islip to Lomza | 4,230.94 mi (6,809.04 km) |
| Central Islip to Lowicz | 4,190.91 mi (6,744.62 km) |
| Central Islip to Lubaczow | 4,378.81 mi (7,047.01 km) |
