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How far is Fort Smith, AR, from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Fort Smith (Fort Smith Regional Airport) is 8609 miles / 13854 kilometers / 7481 nautical miles.

Chiang Mai International Airport – Fort Smith Regional Airport

Distance arrow
8609
Miles
Distance arrow
13854
Kilometers
Distance arrow
7481
Nautical miles
Flight time duration
16 h 47 min
CO2 emission
1 088 kg

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Distance from Chiang Mai to Fort Smith

There are several ways to calculate the distance from Chiang Mai to Fort Smith. Here are two standard methods:

Vincenty's formula (applied above)
  • 8608.681 miles
  • 13854.328 kilometers
  • 7480.739 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
  • 8597.849 miles
  • 13836.896 kilometers
  • 7471.326 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 Chiang Mai to Fort Smith?

The estimated flight time from Chiang Mai International Airport to Fort Smith Regional Airport is 16 hours and 47 minutes.

Flight carbon footprint between Chiang Mai International Airport (CNX) and Fort Smith Regional Airport (FSM)

On average, flying from Chiang Mai to Fort Smith generates about 1 088 kg of CO2 per passenger, and 1 088 kilograms equals 2 399 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chiang Mai to Fort Smith

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and Fort Smith Regional Airport (FSM).

Airport information

Origin Chiang Mai International Airport
City: Chiang Mai
Country: Thailand Flag of Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E
Destination Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W