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How far is St. Lewis from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and St. Lewis (St. Lewis (Fox Harbour) Airport) is 1661 miles / 2673 kilometers / 1443 nautical miles.

The driving distance from Chicago (ORD) to St. Lewis (YFX) is 2244 miles / 3612 kilometers, and travel time by car is about 50 hours 13 minutes.

Chicago O'Hare International Airport – St. Lewis (Fox Harbour) Airport

Distance arrow
1661
Miles
Distance arrow
2673
Kilometers
Distance arrow
1443
Nautical miles
Flight time duration
3 h 38 min
Time Difference
2 h 30 min
CO2 emission
190 kg

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Distance from Chicago to St. Lewis

There are several ways to calculate the distance from Chicago to St. Lewis. Here are two standard methods:

Vincenty's formula (applied above)
  • 1661.064 miles
  • 2673.223 kilometers
  • 1443.425 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
  • 1657.197 miles
  • 2667.001 kilometers
  • 1440.065 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 Chicago to St. Lewis?

The estimated flight time from Chicago O'Hare International Airport to St. Lewis (Fox Harbour) Airport is 3 hours and 38 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and St. Lewis (Fox Harbour) Airport (YFX)

On average, flying from Chicago to St. Lewis generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to St. Lewis

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and St. Lewis (Fox Harbour) Airport (YFX).

Airport information

Origin Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W
Destination St. Lewis (Fox Harbour) Airport
City: St. Lewis
Country: Canada Flag of Canada
IATA Code: YFX
ICAO Code: CCK4
Coordinates: 52°22′22″N, 55°40′26″W