# Distance between Nan (NNT) and Ko Samui (USM)

Distance from Nan to Ko Samui (Nan Nakhon Airport – Samui Airport) is 638 miles / 1028 kilometers / 555 nautical miles.

## How far is Ko Samui from Nan?

There are several ways to calculate distances between Nan and Ko Samui. Here are two common methods:

Vincenty's formula (applied above)
• 638.466 miles
• 1027.511 kilometers
• 554.812 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
• 641.628 miles
• 1032.601 kilometers
• 557.560 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 Nan Nakhon Airport (NNT) to Samui Airport (USM) is 1 hour 42 minutes.

## Time difference and current local times

There is no time difference between Nan and Ko Samui.

Nan
Ko Samui

+07

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 117 kg (259 pounds).

## Airport information

A Nan Nakhon Airport
City: Nan
Country: Thailand
IATA Code: NNT
ICAO Code: VTCN
Coordinates: 18°48′28″N, 100°46′58″E

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

## Map

Nan to Ko Samui flight map.

## Frequent Flyer Miles Calculator

Nan (NNT) → Ko Samui (USM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
638
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
638

Round trip?