How far is Cheyenne, WY, from St. Theresa Point?

The distance between St. Theresa Point (St. Theresa Point Airport) and Cheyenne (Cheyenne Regional Airport) is 991 miles / 1594 kilometers / 861 nautical miles.

Distance from St. Theresa Point to Cheyenne

There are several ways to calculate the distance from St. Theresa Point to Cheyenne. Here are two standard methods:

Vincenty's formula (applied above)

• 990.756 miles
• 1594.467 kilometers
• 860.943 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

• 990.232 miles
• 1593.624 kilometers
• 860.488 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 St. Theresa Point to Cheyenne?

The estimated flight time from St. Theresa Point Airport to Cheyenne Regional Airport is 2 hours and 22 minutes.

What is the time difference between St. Theresa Point and Cheyenne?

The time difference between St. Theresa Point and Cheyenne is 1 hour. Cheyenne is 1 hour behind St. Theresa Point.

Flight carbon footprint between St. Theresa Point Airport (YST) and Cheyenne Regional Airport (CYS)

On average, flying from St. Theresa Point to Cheyenne generates about 150 kg of CO2 per passenger, and 150 kilograms equals 331 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St. Theresa Point to Cheyenne

See the map of the shortest flight path between St. Theresa Point Airport (YST) and Cheyenne Regional Airport (CYS).

Airport information

Origin	St. Theresa Point Airport
City:	St. Theresa Point
Country:	Canada
IATA Code:	YST
ICAO Code:	CYST
Coordinates:	53°50′44″N, 94°51′6″W

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