Map of flight path and driving directions from Putao to Chiang Rai.
Shortest flight path between Putao Airport (PBU) and Chiang Rai International Airport (CEI).
How far is Chiang Rai from Putao?
There are several ways to calculate distances between Putao and Chiang Rai. Here are two common methods:Vincenty's formula (applied above)
- 531.023 miles
- 854.599 kilometers
- 461.447 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
- 532.881 miles
- 857.589 kilometers
- 463.061 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 Putao and Chiang Rai is 30 minutes. Chiang Rai is 30 minutes ahead of Putao.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 103 kg (227 pounds).
Frequent Flyer Miles Calculator
Putao (PBU) → Chiang Rai (CEI).