Calculations with different methods
- 1609.496 miles
- 2590.232 kilometers
- 1398.614 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1613.760 miles
- 2597.096 kilometers
- 1402.319 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Owen Roberts International Airport (GCM) is 3 hours 32 minutes.
Time difference and current local times
The time difference between Chicago and Georgetown is 1 hour. Georgetown is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 193 kg (425 pounds).
Chicago to Georgetown flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Georgetown (GCM).