Air Miles Calculator

Distance between Washington D.C. (DCA) and Idaho Falls, ID (IDA)

Flight distance from Washington D.C. to Idaho Falls (Ronald Reagan Washington National Airport – Idaho Falls Regional Airport) is 1841 miles / 2962 kilometers / 1599 nautical miles. Estimated flight time is 3 hours 59 minutes.

Driving distance from Washington D.C. (DCA) to Idaho Falls (IDA) is 2158 miles / 3473 kilometers and travel time by car is about 36 hours 46 minutes.

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

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Idaho Falls Regional Airport (IDA).

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

There are several ways to calculate distances between Washington D.C. and Idaho Falls. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Washington D.C. and Idaho Falls is 2 hours. Idaho Falls is 2 hours behind Washington D.C..

Time Difference

Washington D.C.

 EDT

Idaho Falls, ID

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 203 kg (448 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Idaho Falls (IDA).

Distance:
1841
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1841

Round trip?