# Distance between Udon Thani (UTH) and Nakhon Si Thammarat (NST)

Flight distance from Udon Thani to Nakhon Si Thammarat (Udon Thani International Airport – Nakhon Si Thammarat Airport) is 638 miles / 1026 kilometers / 554 nautical miles. Estimated flight time is 1 hour 42 minutes.

Driving distance from Udon Thani (UTH) to Nakhon Si Thammarat (NST) is 831 miles / 1337 kilometers and travel time by car is about 16 hours 1 minutes.

638
Miles
1026
Kilometers
554
Nautical miles
1 h 42 min
117 kg

## How far is Nakhon Si Thammarat from Udon Thani?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
• 637.589 miles
• 1026.100 kilometers
• 554.050 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
• 640.468 miles
• 1030.733 kilometers
• 556.551 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).

## Flight Duration

Estimated flight time from Udon Thani International Airport to Nakhon Si Thammarat Airport is 1 hour 42 minutes.

## Time difference

There is no time difference between Udon Thani and Nakhon Si Thammarat.

## Carbon dioxide emissions

On average flying from Udon Thani to Nakhon Si Thammarat generates about 117 kg of CO2 per passenger, 117 kilograms is equal to 259 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Udon Thani to Nakhon Si Thammarat

Shortest flight path between Udon Thani International Airport (UTH) and Nakhon Si Thammarat Airport (NST).

## Airport information

Origin Udon Thani International Airport
City: Udon Thani
Country: Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E
Destination Nakhon Si Thammarat Airport
City: Nakhon Si Thammarat
Country: Thailand
IATA Code: NST
ICAO Code: VTSF
Coordinates: 8°32′22″N, 99°56′40″E