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).
Estimated flight time from Changzhi Wangcun Airport (CIH) to Chiang Rai International Airport (CEI) is 3 hours 6 minutes.
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 167 kg (368 pounds).
Changzhi to Chiang Rai flight map.
Frequent Flyer Miles Calculator
Changzhi (CIH) → Chiang Rai (CEI).