How far is Great Falls, MT, from Nan?

The distance between Nan (Nan Nakhon Airport) and Great Falls (Great Falls International Airport) is 7453 miles / 11994 kilometers / 6476 nautical miles.

Distance from Nan to Great Falls

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

Vincenty's formula (applied above)

• 7452.659 miles
• 11993.892 kilometers
• 6476.184 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

• 7441.170 miles
• 11975.402 kilometers
• 6466.200 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 Nan to Great Falls?

The estimated flight time from Nan Nakhon Airport to Great Falls International Airport is 14 hours and 36 minutes.

What is the time difference between Nan and Great Falls?

The time difference between Nan and Great Falls is 14 hours. Great Falls is 14 hours behind Nan.

Flight carbon footprint between Nan Nakhon Airport (NNT) and Great Falls International Airport (GTF)

On average, flying from Nan to Great Falls generates about 919 kg of CO2 per passenger, and 919 kilograms equals 2 026 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Nan to Great Falls

See the map of the shortest flight path between Nan Nakhon Airport (NNT) and Great Falls International Airport (GTF).

Airport information

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

Destination	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W