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

The distance between Rockford (Chicago Rockford International Airport) and St. Theresa Point (St. Theresa Point Airport) is 847 miles / 1364 kilometers / 736 nautical miles.

Chicago Rockford International Airport – St. Theresa Point Airport

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847
Miles
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1364
Kilometers
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736
Nautical miles

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Distance from Rockford to St. Theresa Point

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

Vincenty's formula (applied above)
  • 847.261 miles
  • 1363.535 kilometers
  • 736.250 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
  • 847.050 miles
  • 1363.195 kilometers
  • 736.066 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 Rockford to St. Theresa Point?

The estimated flight time from Chicago Rockford International Airport to St. Theresa Point Airport is 2 hours and 6 minutes.

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

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. Theresa Point Airport (YST)

On average, flying from Rockford to St. Theresa Point generates about 139 kg of CO2 per passenger, and 139 kilograms equals 307 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to St. Theresa Point

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. Theresa Point Airport (YST).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination St. Theresa Point Airport
City: St. Theresa Point
Country: Canada Flag of Canada
IATA Code: YST
ICAO Code: CYST
Coordinates: 53°50′44″N, 94°51′6″W