| SeaTac to Altus (Oklahoma) | 1,479.20 mi (2,380.54 km) |
| SeaTac to Alum Rock (California) | 696.53 mi (1,120.96 km) |
| SeaTac to Alvin (Texas) | 1,904.46 mi (3,064.94 km) |
| SeaTac to Amarillo (Texas) | 1,350.66 mi (2,173.68 km) |
| SeaTac to Amelia (Ohio) | 1,980.74 mi (3,187.70 km) |
| SeaTac to American Canyon (California) | 640.14 mi (1,030.20 km) |
| SeaTac to American Fork (Utah) | 714.15 mi (1,149.31 km) |
| SeaTac to Americus (Georgia) | 2,253.64 mi (3,626.88 km) |
| SeaTac to Ames (Iowa) | 1,447.34 mi (2,329.27 km) |
| SeaTac to Amherst (Ohio) | 1,997.55 mi (3,214.74 km) |
| SeaTac to Ammon (Idaho) | 570.68 mi (918.42 km) |
| SeaTac to Amsterdam (New York) | 2,325.18 mi (3,742.01 km) |
| SeaTac to Anacortes (Washington) | 73.70 mi (118.60 km) |
| SeaTac to Anaheim (California) | 968.02 mi (1,557.88 km) |
| SeaTac to Anchorage (Alaska) | 1,418.99 mi (2,283.64 km) |
