Calculations with different methods
- 491.387 miles
- 790.811 kilometers
- 427.004 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
- 492.117 miles
- 791.986 kilometers
- 427.638 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Memphis International Airport (MEM) to O'Hare International Airport (ORD) is 1 hour 25 minutes.
Time difference and current local times
There is no time difference between Memphis and Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 91 kg (200 pounds).
Memphis to Chicago flight map.
Frequent Flyer Miles Calculator
Memphis (MEM) → Chicago (ORD).