How far is St. Theresa Point from Decatur, IL?

The distance between Decatur (Decatur Airport) and St. Theresa Point (St. Theresa Point Airport) is 1008 miles / 1622 kilometers / 876 nautical miles.

Distance from Decatur to St. Theresa Point

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

Vincenty's formula (applied above)

• 1007.661 miles
• 1621.674 kilometers
• 875.634 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

• 1007.668 miles
• 1621.685 kilometers
• 875.640 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 Decatur to St. Theresa Point?

The estimated flight time from Decatur Airport to St. Theresa Point Airport is 2 hours and 24 minutes.

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

There is no time difference between Decatur and St. Theresa Point.

Flight carbon footprint between Decatur Airport (DEC) and St. Theresa Point Airport (YST)

On average, flying from Decatur to St. Theresa Point generates about 151 kg of CO2 per passenger, and 151 kilograms equals 334 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Decatur to St. Theresa Point

See the map of the shortest flight path between Decatur Airport (DEC) and St. Theresa Point Airport (YST).

Airport information

Origin	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W

Destination	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