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How far is Castries from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Castries (George F. L. Charles Airport) is 2510 miles / 4040 kilometers / 2181 nautical miles.

Chicago O'Hare International Airport – George F. L. Charles Airport

Distance arrow
2510
Miles
Distance arrow
4040
Kilometers
Distance arrow
2181
Nautical miles

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Distance from Chicago to Castries

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

Vincenty's formula (applied above)
  • 2510.168 miles
  • 4039.723 kilometers
  • 2181.276 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
  • 2513.094 miles
  • 4044.433 kilometers
  • 2183.819 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 Castries?

The estimated flight time from Chicago O'Hare International Airport to George F. L. Charles Airport is 5 hours and 15 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and George F. L. Charles Airport (SLU)

On average, flying from Chicago to Castries generates about 276 kg of CO2 per passenger, and 276 kilograms equals 609 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Castries

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and George F. L. Charles Airport (SLU).

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 George F. L. Charles Airport
City: Castries
Country: Saint Lucia Flag of Saint Lucia
IATA Code: SLU
ICAO Code: TLPC
Coordinates: 14°1′12″N, 60°59′34″W