| SeaTac to Legionowo | 5,204.69 mi (8,376.14 km) |
| SeaTac to Legnica | 5,189.40 mi (8,351.53 km) |
| SeaTac to Leszno | 5,158.70 mi (8,302.13 km) |
| SeaTac to Lezajsk | 5,366.55 mi (8,636.63 km) |
| SeaTac to Libiaz | 5,319.74 mi (8,561.30 km) |
| SeaTac to Lidzbark | 5,132.04 mi (8,259.22 km) |
| SeaTac to Lidzbark Warminski | 5,091.93 mi (8,194.66 km) |
| SeaTac to Limanowa | 5,365.72 mi (8,635.30 km) |
| SeaTac to Lipno | 5,145.77 mi (8,281.31 km) |
| SeaTac to Lobez | 5,030.69 mi (8,096.11 km) |
| SeaTac to Lodz | 5,217.83 mi (8,397.28 km) |
| SeaTac to Lomianki | 5,208.87 mi (8,382.87 km) |
| SeaTac to Lomza | 5,176.40 mi (8,330.62 km) |
| SeaTac to Lowicz | 5,206.45 mi (8,378.96 km) |
| SeaTac to Lubaczow | 5,385.93 mi (8,667.81 km) |
