How far is Seattle, WA, from Cheyenne, WY?
The distance between Cheyenne (Cheyenne Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 967 miles / 1557 kilometers / 841 nautical miles.
The driving distance from Cheyenne (CYS) to Seattle (SEA) is 1237 miles / 1990 kilometers, and travel time by car is about 21 hours 17 minutes.
Cheyenne Regional Airport – Seattle–Tacoma International Airport
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Distance from Cheyenne to Seattle
There are several ways to calculate the distance from Cheyenne to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 967.319 miles
- 1556.749 kilometers
- 840.577 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- 965.334 miles
- 1553.555 kilometers
- 838.852 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 Cheyenne to Seattle?
The estimated flight time from Cheyenne Regional Airport to Seattle–Tacoma International Airport is 2 hours and 19 minutes.
What is the time difference between Cheyenne and Seattle?
The time difference between Cheyenne and Seattle is 1 hour. Seattle is 1 hour behind Cheyenne.
Flight carbon footprint between Cheyenne Regional Airport (CYS) and Seattle–Tacoma International Airport (SEA)
On average, flying from Cheyenne to Seattle generates about 149 kg of CO2 per passenger, and 149 kilograms equals 328 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Cheyenne to Seattle
See the map of the shortest flight path between Cheyenne Regional Airport (CYS) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | Cheyenne Regional Airport |
|---|---|
| City: | Cheyenne, WY |
| Country: | United States  |
| IATA Code: | CYS |
| ICAO Code: | KCYS |
| Coordinates: | 41°9′20″N, 104°48′43″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 |