| SeaTac to La Union | 5,540.69 mi (8,916.88 km) |
| SeaTac to La Victoria de Acentejo | 5,467.62 mi (8,799.28 km) |
| SeaTac to Laguna de Duero | 5,198.97 mi (8,366.93 km) |
| SeaTac to Lalin | 5,031.64 mi (8,097.64 km) |
| SeaTac to Lardero | 5,223.92 mi (8,407.09 km) |
| SeaTac to Laredo | 5,140.53 mi (8,272.89 km) |
| SeaTac to Las Cabezas de San Juan | 5,408.09 mi (8,703.47 km) |
| SeaTac to Las Palmas | 5,525.22 mi (8,891.98 km) |
| SeaTac to Las Rozas de Madrid | 5,285.46 mi (8,506.13 km) |
| SeaTac to Las Torres de Cotillas | 5,506.12 mi (8,861.25 km) |
| SeaTac to Lebrija | 5,406.76 mi (8,701.35 km) |
| SeaTac to Leganes | 5,297.91 mi (8,526.16 km) |
| SeaTac to Leon | 5,116.48 mi (8,234.18 km) |
| SeaTac to Lepe | 5,350.01 mi (8,610.00 km) |
| SeaTac to Linares | 5,425.32 mi (8,731.20 km) |
