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

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1841 miles / 2962 kilometers / 1599 nautical miles.

The driving distance from Washington D.C. (DCA) to Idaho Falls (IDA) is 2159 miles / 3474 kilometers, and travel time by car is about 39 hours 10 minutes.

Ronald Reagan Washington National Airport – Idaho Falls Regional Airport

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1841
Miles
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2962
Kilometers
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1599
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)
  • 1840.517 miles
  • 2962.025 kilometers
  • 1599.365 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
  • 1836.008 miles
  • 2954.768 kilometers
  • 1595.447 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 Ronald Reagan Washington National Airport to Idaho Falls Regional Airport is 3 hours and 59 minutes.

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Idaho Falls Regional Airport (IDA)

On average, flying from Washington D.C. to Idaho Falls generates about 203 kg of CO2 per passenger, and 203 kilograms equals 448 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 Ronald Reagan Washington National Airport (DCA) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″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