Calculations with different methods
- 1238.842 miles
- 1993.722 kilometers
- 1076.524 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
- 1235.614 miles
- 1988.528 kilometers
- 1073.719 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 Halifax Stanfield International Airport (YHZ) is 2 hours 50 minutes.
Time difference and current local times
The time difference between Chicago and Halifax is 2 hours. Halifax is 2 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 161 kg (355 pounds).
Chicago to Halifax flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Halifax (YHZ).