# How far is Udon Thani from Nakhon Si Thammarat?

The distance between Nakhon Si Thammarat (Nakhon Si Thammarat Airport) and Udon Thani (Udon Thani International Airport) is 638 miles / 1026 kilometers / 554 nautical miles.

The driving distance from Nakhon Si Thammarat (NST) to Udon Thani (UTH) is 830 miles / 1335 kilometers, and travel time by car is about 15 hours 58 minutes.

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

## Distance from Nakhon Si Thammarat to Udon Thani

There are several ways to calculate the distance from Nakhon Si Thammarat to Udon Thani. Here are two standard 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 planet.

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).

## How long does it take to fly from Nakhon Si Thammarat to Udon Thani?

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

## Flight carbon footprint between Nakhon Si Thammarat Airport (NST) and Udon Thani International Airport (UTH)

On average, flying from Nakhon Si Thammarat to Udon Thani generates about 117 kg of CO2 per passenger, and 117 kilograms equals 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 Nakhon Si Thammarat to Udon Thani

See the map of the shortest flight path between Nakhon Si Thammarat Airport (NST) and Udon Thani International Airport (UTH).

## Airport information

Origin 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
Destination Udon Thani International Airport
City: Udon Thani
Country: Thailand
IATA Code: UTH
ICAO Code: VTUD
Coordinates: 17°23′11″N, 102°47′16″E