Calculations with different methods
- 1087.609 miles
- 1750.337 kilometers
- 945.106 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
- 1086.427 miles
- 1748.435 kilometers
- 944.080 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 Roswell International Air Center (ROW) is 2 hours 33 minutes.
Time difference and current local times
The time difference between Chicago and Roswell is 1 hour. Roswell is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 148 kg (326 pounds).
Chicago to Roswell flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Roswell (ROW).