| SeaTac to Lastra a Signa | 5,526.16 mi (8,893.50 km) |
| SeaTac to Laterza | 5,854.59 mi (9,422.05 km) |
| SeaTac to Latiano | 5,881.98 mi (9,466.13 km) |
| SeaTac to Latina | 5,709.59 mi (9,188.69 km) |
| SeaTac to Latisana | 5,453.43 mi (8,776.44 km) |
| SeaTac to Lauria Inferiore | 5,867.75 mi (9,443.22 km) |
| SeaTac to Lavagna | 5,448.91 mi (8,769.18 km) |
| SeaTac to Lavello | 5,805.38 mi (9,342.85 km) |
| SeaTac to Laveno-Mombello | 5,336.86 mi (8,588.85 km) |
| SeaTac to Lavis | 5,385.02 mi (8,666.35 km) |
| SeaTac to Lecce | 5,903.66 mi (9,501.02 km) |
| SeaTac to Lecco | 5,359.85 mi (8,625.85 km) |
| SeaTac to Legnago | 5,445.97 mi (8,764.45 km) |
| SeaTac to Legnano | 5,363.85 mi (8,632.29 km) |
| SeaTac to Legnaro | 5,452.36 mi (8,774.73 km) |
