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How far is Idaho Falls, ID, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1817 miles / 2925 kilometers / 1579 nautical miles.

The driving distance from Washington D.C. (IAD) to Idaho Falls (IDA) is 2151 miles / 3461 kilometers, and travel time by car is about 39 hours 3 minutes.

Washington Dulles International Airport – Idaho Falls Regional Airport

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1817
Miles
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2925
Kilometers
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1579
Nautical miles

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Distance from Washington D.C. to Idaho Falls

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

Vincenty's formula (applied above)
  • 1817.205 miles
  • 2924.508 kilometers
  • 1579.108 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
  • 1812.744 miles
  • 2917.329 kilometers
  • 1575.232 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 Idaho Falls?

The estimated flight time from Washington Dulles International Airport to Idaho Falls Regional Airport is 3 hours and 56 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Idaho Falls Regional Airport (IDA)

On average, flying from Washington D.C. to Idaho Falls generates about 201 kg of CO2 per passenger, and 201 kilograms equals 444 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Idaho Falls

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Idaho Falls Regional Airport (IDA).

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 Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W