Air Miles Calculator

Distance between Casper, WY (CPR) and Washington D.C. (IAD)

Flight distance from Casper to Washington D.C. (Casper–Natrona County International Airport – Washington Dulles International Airport) is 1535 miles / 2470 kilometers / 1334 nautical miles. Estimated flight time is 3 hours 24 minutes.

Driving distance from Casper (CPR) to Washington D.C. (IAD) is 1824 miles / 2935 kilometers and travel time by car is about 30 hours 48 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Casper?

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

Vincenty's formula (applied above)
  • 1534.736 miles
  • 2469.919 kilometers
  • 1333.649 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
  • 1531.007 miles
  • 2463.916 kilometers
  • 1330.408 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B 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

Time difference and current local times

The time difference between Casper and Washington D.C. is 2 hours. Washington D.C. is 2 hours ahead of Casper.

Time Difference

Casper, WY

 MST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 182 kg (401 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Washington D.C. (IAD).

Distance:
1535
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1535

Round trip?