| SeaTac to Fortuna (California) | 482.59 mi (776.65 km) |
| SeaTac to Fortuna Foothills (Arizona) | 1,102.14 mi (1,773.72 km) |
| SeaTac to Foster City (California) | 683.27 mi (1,099.62 km) |
| SeaTac to Fostoria (Ohio) | 1,949.69 mi (3,137.72 km) |
| SeaTac to Fountain (Colorado) | 1,071.52 mi (1,724.44 km) |
| SeaTac to Fountain Hills (Arizona) | 1,102.90 mi (1,774.94 km) |
| SeaTac to Fountain Inn (South Carolina) | 2,236.16 mi (3,598.75 km) |
| SeaTac to Fountain Valley (California) | 975.54 mi (1,569.98 km) |
| SeaTac to Fountainebleau (Florida) | 2,719.26 mi (4,376.23 km) |
| SeaTac to Four Corners (Oregon) | 176.77 mi (284.48 km) |
| SeaTac to Four Corners (Texas) | 1,875.22 mi (3,017.88 km) |
| SeaTac to Four Square Mile (Colorado) | 1,020.04 mi (1,641.59 km) |
| SeaTac to Fox Crossing (Wisconsin) | 1,630.24 mi (2,623.62 km) |
| SeaTac to Fox Lake (Illinois) | 1,689.97 mi (2,719.74 km) |
| SeaTac to Framingham (Massachusetts) | 2,470.41 mi (3,975.73 km) |
