| SeaTac to Keene (New Hampshire) | 2,411.70 mi (3,881.25 km) |
| SeaTac to Keizer (Oregon) | 172.23 mi (277.17 km) |
| SeaTac to Keller (Texas) | 1,647.83 mi (2,651.92 km) |
| SeaTac to Kelso (Washington) | 95.46 mi (153.63 km) |
| SeaTac to Kemp Mill (Maryland) | 2,316.59 mi (3,728.19 km) |
| SeaTac to Ken Caryl (Colorado) | 1,014.89 mi (1,633.31 km) |
| SeaTac to Kendale Lakes (Florida) | 2,719.64 mi (4,376.83 km) |
| SeaTac to Kendall (Florida) | 2,723.81 mi (4,383.55 km) |
| SeaTac to Kendall Park (New Jersey) | 2,385.52 mi (3,839.12 km) |
| SeaTac to Kendall West (Florida) | 2,718.34 mi (4,374.74 km) |
| SeaTac to Kenmore (New York) | 2,108.64 mi (3,393.52 km) |
| SeaTac to Kenmore (Washington) | 21.35 mi (34.36 km) |
| SeaTac to Kenner (Louisiana) | 2,082.16 mi (3,350.92 km) |
| SeaTac to Kennesaw (Georgia) | 2,152.42 mi (3,463.99 km) |
| SeaTac to Kennett (Missouri) | 1,814.46 mi (2,920.09 km) |
