| SeaTac to Arcata (California) | 463.25 mi (745.53 km) |
| SeaTac to Archdale (North Carolina) | 2,292.97 mi (3,690.17 km) |
| SeaTac to Arden-Arcade (California) | 612.70 mi (986.05 km) |
| SeaTac to Ardmore (Oklahoma) | 1,591.68 mi (2,561.56 km) |
| SeaTac to Ardmore (Pennsylvania) | 2,364.89 mi (3,805.93 km) |
| SeaTac to Arecibo (Puerto Rico) | 3,691.01 mi (5,940.10 km) |
| SeaTac to Arkadelphia (Arkansas) | 1,768.77 mi (2,846.56 km) |
| SeaTac to Arkansas City (Kansas) | 1,467.63 mi (2,361.92 km) |
| SeaTac to Arlington (Tennessee) | 1,871.59 mi (3,012.04 km) |
| SeaTac to Arlington (Texas) | 1,663.38 mi (2,676.95 km) |
| SeaTac to Arlington (Virginia) | 2,318.43 mi (3,731.15 km) |
| SeaTac to Arlington (Washington) | 50.65 mi (81.51 km) |
| SeaTac to Arlington Heights (Illinois) | 1,708.61 mi (2,749.75 km) |
| SeaTac to Arnold (Maryland) | 2,340.97 mi (3,767.42 km) |
| SeaTac to Arnold (Missouri) | 1,716.04 mi (2,761.69 km) |
