How far is Chiang Rai from Rayong?
The distance between Rayong (U-Tapao International Airport) and Chiang Rai (Chiang Rai International Airport) is 506 miles / 814 kilometers / 439 nautical miles.
The driving distance from Rayong (UTP) to Chiang Rai (CEI) is 620 miles / 997 kilometers, and travel time by car is about 12 hours 4 minutes.
U-Tapao International Airport – Chiang Rai International Airport
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Distance from Rayong to Chiang Rai
There are several ways to calculate the distance from Rayong to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 505.583 miles
- 813.657 kilometers
- 439.339 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 507.945 miles
- 817.458 kilometers
- 441.392 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).
How long does it take to fly from Rayong to Chiang Rai?
The estimated flight time from U-Tapao International Airport to Chiang Rai International Airport is 1 hour and 27 minutes.
What is the time difference between Rayong and Chiang Rai?
Flight carbon footprint between U-Tapao International Airport (UTP) and Chiang Rai International Airport (CEI)
On average, flying from Rayong to Chiang Rai generates about 99 kg of CO2 per passenger, and 99 kilograms equals 219 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rayong to Chiang Rai
See the map of the shortest flight path between U-Tapao International Airport (UTP) and Chiang Rai International Airport (CEI).
Airport information
| Origin | U-Tapao International Airport |
|---|---|
| City: | Rayong |
| Country: | Thailand  |
| IATA Code: | UTP |
| ICAO Code: | VTBU |
| Coordinates: | 12°40′47″N, 101°0′17″E |
| Destination | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″E |