# Distance between Washington D.C. (IAD) and Eau Claire, WI (EAU)

Distance from Washington D.C. to Eau Claire (Washington Dulles International Airport – Chippewa Valley Regional Airport) is 829 miles / 1334 kilometers / 720 nautical miles.

## How far is Eau Claire from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Eau Claire. Here are two common methods:

Vincenty's formula (applied above)
• 829.079 miles
• 1334.273 kilometers
• 720.450 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
• 827.667 miles
• 1332.001 kilometers
• 719.223 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).

## Flight duration

Estimated flight time from Washington Dulles International Airport (IAD) to Chippewa Valley Regional Airport (EAU) is 2 hours 4 minutes.

## Time difference and current local times

The time difference between Washington D.C. and Eau Claire is 1 hour. Eau Claire is 1 hour behind Washington D.C..

Washington D.C.
Eau Claire

EDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 138 kg (303 pounds).

## Airport information

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

B Chippewa Valley Regional Airport
City: Eau Claire, WI
Country: United States
IATA Code: EAU
ICAO Code: KEAU
Coordinates: 44°51′56″N, 91°29′3″W

## Washington D.C. to Eau Claire flight path

Shortest flight path between Washington Dulles International Airport (IAD) and Chippewa Valley Regional Airport (EAU).

## Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Eau Claire (EAU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
829
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
829

Round trip?