Air Miles Calculator

Distance between Chicago, IL (ORD) and Changzhou (CZX)

Distance from Chicago to Changzhou (Changzhou Benniu Airport – O'Hare International Airport) is 7051 miles / 11347 kilometers / 6127 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 7050.756 miles
  • 11347.092 kilometers
  • 6126.939 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
  • 7036.197 miles
  • 11323.662 kilometers
  • 6114.288 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Changzhou Benniu Airport (CZX) is 13 hours 50 minutes.

Time difference and current local times

The time difference between Chicago and Changzhou is 13 hours. Changzhou is 13 hours ahead of Chicago.

Time Difference

Chicago
Changzhou

Chicago, IL

 CDT

Changzhou

 CST

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Changzhou Benniu Airport
City: Changzhou
Country: China Flag of China
IATA Code: CZX
ICAO Code: ZSCG
Coordinates: 31°55′10″N, 119°46′44″E

Map

Chicago to Changzhou flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Changzhou (CZX).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
7051
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
7051

Round trip?