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).
|A||Casper–Natrona County International Airport|
|B||Washington Dulles International Airport|
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (401 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Washington D.C. (IAD).