| Ronkonkoma to Legionowo | 4,211.76 mi (6,778.18 km) |
| Ronkonkoma to Legnica | 4,075.52 mi (6,558.91 km) |
| Ronkonkoma to Leszno | 4,070.85 mi (6,551.40 km) |
| Ronkonkoma to Lezajsk | 4,345.39 mi (6,993.24 km) |
| Ronkonkoma to Libiaz | 4,233.55 mi (6,813.25 km) |
| Ronkonkoma to Lidzbark | 4,143.79 mi (6,668.78 km) |
| Ronkonkoma to Lidzbark Warminski | 4,142.14 mi (6,666.13 km) |
| Ronkonkoma to Limanowa | 4,290.12 mi (6,904.27 km) |
| Ronkonkoma to Lipno | 4,133.81 mi (6,652.72 km) |
| Ronkonkoma to Lobez | 3,978.69 mi (6,403.08 km) |
| Ronkonkoma to Lodz | 4,180.73 mi (6,728.24 km) |
| Ronkonkoma to Lomianki | 4,214.09 mi (6,781.92 km) |
| Ronkonkoma to Lomza | 4,227.43 mi (6,803.40 km) |
| Ronkonkoma to Lowicz | 4,187.35 mi (6,738.90 km) |
| Ronkonkoma to Lubaczow | 4,375.23 mi (7,041.25 km) |
