Air Miles Calculator

Distance between Seattle, WA (BFI) and Cheyenne, WY (CYS)

Distance from Seattle to Cheyenne (Boeing Field – Cheyenne Regional Airport) is 969 miles / 1559 kilometers / 842 nautical miles.

How far is Cheyenne from Seattle?

There are several ways to calculate distances between Seattle and Cheyenne. Here are two common methods:

Vincenty's formula (applied above)
  • 968.965 miles
  • 1559.398 kilometers
  • 842.008 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 966.989 miles
  • 1556.217 kilometers
  • 840.290 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Cheyenne Regional Airport (CYS) is 2 hours 20 minutes.

Time difference and current local times

The time difference between Seattle and Cheyenne is 1 hour. Cheyenne is 1 hour ahead of Seattle.

Time Difference

Seattle
Cheyenne

Seattle, WA

 PDT

Cheyenne, WY

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 149 kg (328 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Cheyenne Regional Airport
City: Cheyenne, WY
Country: United States Flag of United States
IATA Code: CYS
ICAO Code: KCYS
Coordinates: 41°9′20″N, 104°48′43″W

Seattle to Cheyenne flight path

Shortest flight path between Boeing Field (BFI) and Cheyenne Regional Airport (CYS).

Frequent Flyer Miles Calculator

Seattle (BFI) → Cheyenne (CYS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
969
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
969

Round trip?