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How far is Nan from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Nan (Nan Nakhon Airport) is 1154 miles / 1857 kilometers / 1003 nautical miles.

The driving distance from Kathmandu (KTM) to Nan (NNT) is 1993 miles / 3207 kilometers, and travel time by car is about 39 hours 16 minutes.

Tribhuvan International Airport – Nan Nakhon Airport

Distance arrow
1154
Miles
Distance arrow
1857
Kilometers
Distance arrow
1003
Nautical miles
Flight time duration
2 h 41 min
Time Difference
1 h 15 min
CO2 emission
159 kg

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Distance from Kathmandu to Nan

There are several ways to calculate the distance from Kathmandu to Nan. Here are two standard methods:

Vincenty's formula (applied above)
  • 1154.165 miles
  • 1857.448 kilometers
  • 1002.942 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
  • 1154.112 miles
  • 1857.363 kilometers
  • 1002.896 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 Kathmandu to Nan?

The estimated flight time from Tribhuvan International Airport to Nan Nakhon Airport is 2 hours and 41 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Nan Nakhon Airport (NNT)

On average, flying from Kathmandu to Nan generates about 159 kg of CO2 per passenger, and 159 kilograms equals 351 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Kathmandu to Nan

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Nan Nakhon Airport (NNT).

Airport information

Origin Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E
Destination Nan Nakhon Airport
City: Nan
Country: Thailand Flag of Thailand
IATA Code: NNT
ICAO Code: VTCN
Coordinates: 18°48′28″N, 100°46′58″E