# 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
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
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..

EDT

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?