Map of flight path and driving directions from Changzhi to Chiang Rai.
Shortest flight path between Changzhi Wangcun Airport (CIH) and Chiang Rai International Airport (CEI).
How far is Chiang Rai from Changzhi?
There are several ways to calculate distances between Changzhi and Chiang Rai. Here are two common methods:Vincenty's formula (applied above)
- 1379.958 miles
- 2220.826 kilometers
- 1199.150 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
- 1382.136 miles
- 2224.333 kilometers
- 1201.043 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).
Time difference and current local times
The time difference between Changzhi and Chiang Rai is 1 hour. Chiang Rai is 1 hour behind Changzhi.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 172 kg (379 pounds).
Frequent Flyer Miles Calculator
Changzhi (CIH) → Chiang Rai (CEI).