# Distance between Udon Thani (UTH) and Ko Samui (USM)

Flight distance from Udon Thani to Ko Samui (Udon Thani International Airport – Samui Airport) is 569 miles / 916 kilometers / 495 nautical miles. Estimated flight time is 1 hour 34 minutes.

569
Miles
916
Kilometers
495
Nautical miles
1 h 34 min
109 kg

## How far is Ko Samui 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)
• 569.176 miles
• 916.001 kilometers
• 494.601 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
• 571.678 miles
• 920.027 kilometers
• 496.775 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 Samui Airport is 1 hour 34 minutes.

## Time difference

There is no time difference between Udon Thani and Ko Samui.

## Carbon dioxide emissions

On average flying from Udon Thani to Ko Samui generates about 109 kg of CO2 per passenger, 109 kilograms is equal to 240 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path from Udon Thani to Ko Samui

Shortest flight path between Udon Thani International Airport (UTH) and Samui Airport (USM).

## 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 Samui Airport
City: Ko Samui
Country: Thailand
IATA Code: USM
ICAO Code: VTSM
Coordinates: 9°32′52″N, 100°3′43″E