How far is Khon Kaen from Chiang Rai?
There are several ways to calculate distances between Chiang Rai and Khon Kaen. Here are two common methods:Vincenty's formula (applied above)
- 306.293 miles
- 492.930 kilometers
- 266.161 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
- 306.991 miles
- 494.053 kilometers
- 266.768 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 Chiang Rai International Airport (CEI) to Khon Kaen Airport (KKC) is 1 hour 4 minutes.
Time difference and current local times
There is no time difference between Chiang Rai and Khon Kaen.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 67 kg (148 pounds).
Chiang Rai to Khon Kaen flight map.
Frequent Flyer Miles Calculator
Chiang Rai (CEI) → Khon Kaen (KKC).