Air Miles Calculator

Distance between Rayong (UTP) and Chiang Mai (CNX)

Flight distance from Rayong to Chiang Mai (U-Tapao International Airport – Chiang Mai International Airport) is 440 miles / 708 kilometers / 382 nautical miles. Estimated flight time is 1 hour 19 minutes.

Driving distance from Rayong (UTP) to Chiang Mai (CNX) is 526 miles / 846 kilometers and travel time by car is about 10 hours 5 minutes.

Map of flight path and driving directions from Rayong to Chiang Mai.

Shortest flight path between U-Tapao International Airport (UTP) and Chiang Mai International Airport (CNX).

How far is Chiang Mai from Rayong?

There are several ways to calculate distances between Rayong and Chiang Mai. Here are two common methods:

Vincenty's formula (applied above)
  • 440.053 miles
  • 708.196 kilometers
  • 382.395 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
  • 441.933 miles
  • 711.222 kilometers
  • 384.029 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 U-Tapao International Airport
City: Rayong
Country: Thailand Flag of Thailand
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E

B Chiang Mai International Airport
City: Chiang Mai
Country: Thailand Flag of Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E

Time difference and current local times

There is no time difference between Rayong and Chiang Mai.

Time Difference

Rayong

 +07

Chiang Mai

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 90 kg (198 pounds).

Frequent Flyer Miles Calculator

Rayong (UTP) → Chiang Mai (CNX).

Distance:
440
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
440

Round trip?