| SeaTac to Leini | 5,356.24 mi (8,620.03 km) |
| SeaTac to Lendinara | 5,459.45 mi (8,786.14 km) |
| SeaTac to Leno | 5,408.56 mi (8,704.23 km) |
| SeaTac to Lentate sul Seveso | 5,363.05 mi (8,630.99 km) |
| SeaTac to Lentini | 6,017.35 mi (9,683.99 km) |
| SeaTac to Leonforte | 5,980.08 mi (9,624.01 km) |
| SeaTac to Lequile | 5,906.01 mi (9,504.81 km) |
| SeaTac to Lerici | 5,477.84 mi (8,815.73 km) |
| SeaTac to Leverano | 5,905.91 mi (9,504.65 km) |
| SeaTac to Licata | 6,001.18 mi (9,657.97 km) |
| SeaTac to Limbiate | 5,368.05 mi (8,639.04 km) |
| SeaTac to Lipari | 5,943.49 mi (9,565.12 km) |
| SeaTac to Lissone | 5,369.90 mi (8,642.02 km) |
| SeaTac to Livorno | 5,519.12 mi (8,882.16 km) |
| SeaTac to Lizzanello | 5,907.70 mi (9,507.52 km) |
