| SeaTac to Liria | 5,437.21 mi (8,750.34 km) |
| SeaTac to Llagostera | 5,417.90 mi (8,719.28 km) |
| SeaTac to Llanera | 5,058.73 mi (8,141.24 km) |
| SeaTac to Llanes | 5,098.28 mi (8,204.90 km) |
| SeaTac to Lleida | 5,363.19 mi (8,631.22 km) |
| SeaTac to Lloret de Mar | 5,423.53 mi (8,728.33 km) |
| SeaTac to Lluchmayor | 5,551.45 mi (8,934.19 km) |
| SeaTac to Loeches | 5,306.58 mi (8,540.11 km) |
| SeaTac to Logrono | 5,222.27 mi (8,404.43 km) |
| SeaTac to Loja | 5,458.52 mi (8,784.64 km) |
| SeaTac to Lora del Rio | 5,386.19 mi (8,668.23 km) |
| SeaTac to Lorca | 5,510.94 mi (8,869.00 km) |
| SeaTac to Los Alcazares | 5,534.55 mi (8,907.00 km) |
| SeaTac to Los Barrios | 5,467.16 mi (8,798.54 km) |
| SeaTac to Los Corrales de Buelna | 5,128.52 mi (8,253.56 km) |
