# Distance between Changzhi (CIH) and Chiang Rai (CEI)

Flight distance from Changzhi to Chiang Rai (Changzhi Wangcun Airport – Chiang Rai International Airport) is 1380 miles / 2221 kilometers / 1199 nautical miles. Estimated flight time is 3 hours 6 minutes.

Driving distance from Changzhi (CIH) to Chiang Rai (CEI) is 1793 miles / 2886 kilometers and travel time by car is about 31 hours 48 minutes.

## 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).

## Airport information

A Changzhi Wangcun Airport
City: Changzhi
Country: China
IATA Code: CIH
ICAO Code: ZBCZ
Coordinates: 36°14′51″N, 113°7′33″E

B Chiang Rai International Airport
City: Chiang Rai
Country: Thailand
IATA Code: CEI
ICAO Code: VTCT
Coordinates: 19°57′8″N, 99°52′58″E

## Time difference and current local times

The time difference between Changzhi and Chiang Rai is 1 hour. Chiang Rai is 1 hour behind Changzhi.

CST

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 172 kg (379 pounds).

## Frequent Flyer Miles Calculator

Changzhi (CIH) → Chiang Rai (CEI).

Distance:
1380
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1380

Round trip?