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How far is Chiang Mai from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Chiang Mai (Chiang Mai International Airport) is 8454 miles / 13605 kilometers / 7346 nautical miles.

Washington Dulles International Airport – Chiang Mai International Airport

Distance arrow
8454
Miles
Distance arrow
13605
Kilometers
Distance arrow
7346
Nautical miles
Flight time duration
16 h 30 min
CO2 emission
1 065 kg

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Distance from Washington D.C. to Chiang Mai

There are several ways to calculate the distance from Washington D.C. to Chiang Mai. Here are two standard methods:

Vincenty's formula (applied above)
  • 8453.705 miles
  • 13604.919 kilometers
  • 7346.068 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
  • 8442.613 miles
  • 13587.068 kilometers
  • 7336.430 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 Washington D.C. to Chiang Mai?

The estimated flight time from Washington Dulles International Airport to Chiang Mai International Airport is 16 hours and 30 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Chiang Mai International Airport (CNX)

On average, flying from Washington D.C. to Chiang Mai generates about 1 065 kg of CO2 per passenger, and 1 065 kilograms equals 2 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Chiang Mai

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Chiang Mai International Airport (CNX).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination 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