Calculations with different methods
- 631.877 miles
- 1016.907 kilometers
- 549.086 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
- 631.413 miles
- 1016.161 kilometers
- 548.683 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Raleigh–Durham International Airport (RDU) to Midway International Airport (MDW) is 1 hour 41 minutes.
Time difference and current local times
The time difference between Raleigh and Chicago is 1 hour. Chicago is 1 hour behind Raleigh.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 106 kg (233 pounds).
Raleigh to Chicago flight map.
Frequent Flyer Miles Calculator
Raleigh (RDU) → Chicago (MDW).