| SeaTac to Jeffersontown (Kentucky) | 1,946.59 mi (3,132.74 km) |
| SeaTac to Jeffersonville (Indiana) | 1,935.71 mi (3,115.23 km) |
| SeaTac to Jenison (Michigan) | 1,786.90 mi (2,875.73 km) |
| SeaTac to Jenks (Oklahoma) | 1,559.89 mi (2,510.40 km) |
| SeaTac to Jennings (Missouri) | 1,710.52 mi (2,752.81 km) |
| SeaTac to Jensen Beach (Florida) | 2,653.45 mi (4,270.32 km) |
| SeaTac to Jericho (New York) | 2,420.85 mi (3,895.99 km) |
| SeaTac to Jerome (Idaho) | 500.38 mi (805.28 km) |
| SeaTac to Jersey City (New Jersey) | 2,398.64 mi (3,860.23 km) |
| SeaTac to Jessup (Maryland) | 2,324.33 mi (3,740.65 km) |
| SeaTac to Johns Creek (Georgia) | 2,171.13 mi (3,494.09 km) |
| SeaTac to Johnson City (New York) | 2,267.47 mi (3,649.14 km) |
| SeaTac to Johnson City (Tennessee) | 2,163.61 mi (3,482.00 km) |
| SeaTac to Johnston (Iowa) | 1,452.45 mi (2,337.49 km) |
| SeaTac to Johnstown (Colorado) | 990.02 mi (1,593.28 km) |
