| SeaTac to Jacksonville (North Carolina) | 2,458.15 mi (3,956.01 km) |
| SeaTac to Jacksonville (Texas) | 1,776.23 mi (2,858.57 km) |
| SeaTac to Jacksonville Beach (Florida) | 2,461.10 mi (3,960.75 km) |
| SeaTac to James Island (South Carolina) | 2,421.32 mi (3,896.73 km) |
| SeaTac to Jamestown (New York) | 2,116.40 mi (3,406.01 km) |
| SeaTac to Jamestown (North Dakota) | 1,105.00 mi (1,778.33 km) |
| SeaTac to Janesville (Wisconsin) | 1,644.06 mi (2,645.86 km) |
| SeaTac to Jasmine Estates (Florida) | 2,494.60 mi (4,014.67 km) |
| SeaTac to Jasper (Alabama) | 2,039.05 mi (3,281.54 km) |
| SeaTac to Jasper (Indiana) | 1,876.21 mi (3,019.47 km) |
| SeaTac to Jefferson (Georgia) | 2,194.39 mi (3,531.53 km) |
| SeaTac to Jefferson (Louisiana) | 2,088.83 mi (3,361.65 km) |
| SeaTac to Jefferson City (Missouri) | 1,628.14 mi (2,620.24 km) |
| SeaTac to Jefferson Hills (Pennsylvania) | 2,139.26 mi (3,442.81 km) |
| SeaTac to Jefferson Valley-Yorktown (New York) | 2,392.04 mi (3,849.62 km) |
