| SeaTac to Decatur (Alabama) | 2,021.44 mi (3,253.19 km) |
| SeaTac to Decatur (Georgia) | 2,177.75 mi (3,504.75 km) |
| SeaTac to Decatur (Illinois) | 1,733.24 mi (2,789.37 km) |
| SeaTac to Deer Park (New York) | 2,431.85 mi (3,913.68 km) |
| SeaTac to Deer Park (Texas) | 1,896.05 mi (3,051.40 km) |
| SeaTac to Deerfield (Illinois) | 1,712.75 mi (2,756.41 km) |
| SeaTac to Deerfield Beach (Florida) | 2,703.29 mi (4,350.52 km) |
| SeaTac to Defiance (Ohio) | 1,901.47 mi (3,060.12 km) |
| SeaTac to DeForest (Wisconsin) | 1,614.26 mi (2,597.90 km) |
| SeaTac to DeKalb (Illinois) | 1,677.54 mi (2,699.74 km) |
| SeaTac to Del Aire (California) | 956.74 mi (1,539.73 km) |
| SeaTac to Del City (Oklahoma) | 1,520.74 mi (2,447.39 km) |
| SeaTac to Del Rio (Texas) | 1,692.84 mi (2,724.37 km) |
| SeaTac to DeLand (Florida) | 2,523.48 mi (4,061.15 km) |
| SeaTac to Delano (California) | 821.80 mi (1,322.57 km) |
