How far is Seattle, WA, from Hyannis, MA?
The distance between Hyannis (Cape Cod Gateway Airport) and Seattle (Seattle–Tacoma International Airport) is 2551 miles / 4105 kilometers / 2216 nautical miles.
The driving distance from Hyannis (HYA) to Seattle (SEA) is 3001 miles / 4829 kilometers, and travel time by car is about 55 hours 43 minutes.
Cape Cod Gateway Airport – Seattle–Tacoma International Airport
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Distance from Hyannis to Seattle
There are several ways to calculate the distance from Hyannis to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 2550.541 miles
- 4104.698 kilometers
- 2216.359 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 2543.715 miles
- 4093.713 kilometers
- 2210.428 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Hyannis to Seattle?
The estimated flight time from Cape Cod Gateway Airport to Seattle–Tacoma International Airport is 5 hours and 19 minutes.
What is the time difference between Hyannis and Seattle?
The time difference between Hyannis and Seattle is 3 hours. Seattle is 3 hours behind Hyannis.
Flight carbon footprint between Cape Cod Gateway Airport (HYA) and Seattle–Tacoma International Airport (SEA)
On average, flying from Hyannis to Seattle generates about 281 kg of CO2 per passenger, and 281 kilograms equals 620 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Hyannis to Seattle
See the map of the shortest flight path between Cape Cod Gateway Airport (HYA) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | Cape Cod Gateway Airport |
|---|---|
| City: | Hyannis, MA |
| Country: | United States  |
| IATA Code: | HYA |
| ICAO Code: | KHYA |
| Coordinates: | 41°40′9″N, 70°16′49″W |
| Destination | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |