Calculations with different methods
- 589.662 miles
- 948.969 kilometers
- 512.402 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
- 589.354 miles
- 948.473 kilometers
- 512.134 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Piedmont Triad International Airport (GSO) to O'Hare International Airport (ORD) is 1 hour 36 minutes.
Time difference and current local times
The time difference between Greensboro and Chicago is 1 hour. Chicago is 1 hour behind Greensboro.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 101 kg (223 pounds).
Greensboro to Chicago flight map.
Frequent Flyer Miles Calculator
Greensboro (GSO) → Chicago (ORD).