Calculations with different methods
- 6274.067 miles
- 10097.133 kilometers
- 5452.016 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
- 6259.692 miles
- 10073.998 kilometers
- 5439.524 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Narita International Airport (NRT) to O'Hare International Airport (ORD) is 12 hours 22 minutes.
Time difference and current local times
The time difference between Tokyo and Chicago is 14 hours. Chicago is 14 hours behind Tokyo.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 800 kg (1 764 pounds).
Tokyo to Chicago flight map.
Frequent Flyer Miles Calculator
Tokyo (NRT) → Chicago (ORD).