Air Miles Calculator

Distance between Rayong (UTP) and Udon Thani (UTH)

Flight distance from Rayong to Udon Thani (U-Tapao International Airport – Udon Thani International Airport) is 345 miles / 555 kilometers / 300 nautical miles. Estimated flight time is 1 hour 9 minutes.

Driving distance from Rayong (UTP) to Udon Thani (UTH) is 396 miles / 637 kilometers and travel time by car is about 7 hours 38 minutes.

Map of flight path and driving directions from Rayong to Udon Thani.

Shortest flight path between U-Tapao International Airport (UTP) and Udon Thani International Airport (UTH).

How far is Udon Thani from Rayong?

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

Vincenty's formula (applied above)
  • 344.813 miles
  • 554.924 kilometers
  • 299.635 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
  • 346.256 miles
  • 557.245 kilometers
  • 300.888 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 Udon Thani International Airport
City: Udon Thani
Country: Thailand Flag of Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E

Time difference and current local times

There is no time difference between Rayong and Udon Thani.

Time Difference

Rayong

 +07

Udon Thani

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 76 kg (167 pounds).

Frequent Flyer Miles Calculator

Rayong (UTP) → Udon Thani (UTH).

Distance:
345
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
345

Round trip?