| SeaTac to Lizzano | 5,884.59 mi (9,470.34 km) |
| SeaTac to Locate di Triulzi | 5,384.83 mi (8,666.05 km) |
| SeaTac to Locorotondo | 5,859.19 mi (9,429.46 km) |
| SeaTac to Locri | 5,990.41 mi (9,640.63 km) |
| SeaTac to Lodi | 5,393.91 mi (8,680.66 km) |
| SeaTac to Lomazzo | 5,359.55 mi (8,625.37 km) |
| SeaTac to Lonate Pozzolo | 5,358.32 mi (8,623.38 km) |
| SeaTac to Lonigo | 5,436.31 mi (8,748.90 km) |
| SeaTac to Loreto | 5,607.14 mi (9,023.82 km) |
| SeaTac to Loria | 5,426.95 mi (8,733.83 km) |
| SeaTac to Lucca | 5,506.74 mi (8,862.24 km) |
| SeaTac to Lucera | 5,766.65 mi (9,280.53 km) |
| SeaTac to Lugo | 5,507.26 mi (8,863.07 km) |
| SeaTac to Luino | 5,334.76 mi (8,585.46 km) |
| SeaTac to Lurate Caccivio | 5,354.78 mi (8,617.69 km) |
