Air Miles Calculator

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

Flight distance from Chicago to Changzhou (Chicago O'Hare International Airport – Changzhou Benniu Airport) is 7051 miles / 11347 kilometers / 6127 nautical miles. Estimated flight time is 13 hours 50 minutes.

Map of flight path from Chicago to Changzhou.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Changzhou Benniu Airport (CZX).

How far is Changzhou from Chicago?

There are several ways to calculate distances between Chicago and Changzhou. Here are two common 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 – the shortest distance between two points).

Airport information


A Chicago 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

Time difference and current local times

The time difference between Chicago and Changzhou is 14 hours. Changzhou is 14 hours ahead of Chicago.

Time Difference

Chicago, IL

 CST

Changzhou

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 862 kg (1 900 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Changzhou (CZX).

Distance:
7051
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
7051

Round trip?