# Distance between Rayong (UTP) and Hat Yai (HDY)

Flight distance from Rayong to Hat Yai (U-Tapao International Airport – Hat Yai International Airport) is 397 miles / 639 kilometers / 345 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Rayong (UTP) to Hat Yai (HDY) is 683 miles / 1099 kilometers and travel time by car is about 12 hours 34 minutes.

## Map of flight path and driving directions from Rayong to Hat Yai.

Shortest flight path between U-Tapao International Airport (UTP) and Hat Yai International Airport (HDY).

## How far is Hat Yai from Rayong?

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

Vincenty's formula (applied above)
• 397.155 miles
• 639.159 kilometers
• 345.118 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
• 399.237 miles
• 642.509 kilometers
• 346.927 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
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E

B Hat Yai International Airport
City: Hat Yai
Country: Thailand
IATA Code: HDY
ICAO Code: VTSS
Coordinates: 6°55′59″N, 100°23′34″E

## Time difference and current local times

There is no time difference between Rayong and Hat Yai.

+07

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (184 pounds).

## Frequent Flyer Miles Calculator

Rayong (UTP) → Hat Yai (HDY).

Distance:
397
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
397

Round trip?