How far is Chiang Rai from Nakhon Phanom?
There are several ways to calculate distances between Nakhon Phanom and Chiang Rai. Here are two common methods:Vincenty's formula (applied above)
- 358.541 miles
- 577.016 kilometers
- 311.564 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
- 358.544 miles
- 577.021 kilometers
- 311.567 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 Nakhon Phanom Airport (KOP) to Chiang Rai International Airport (CEI) is 1 hour 10 minutes.
Time difference and current local times
There is no time difference between Nakhon Phanom and Chiang Rai.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 76 kg (169 pounds).
Nakhon Phanom to Chiang Rai flight path
Shortest flight path between Nakhon Phanom Airport (KOP) and Chiang Rai International Airport (CEI).
Frequent Flyer Miles Calculator
Nakhon Phanom (KOP) → Chiang Rai (CEI).