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How far is Casper, WY, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Casper (Casper–Natrona County International Airport) is 1535 miles / 2470 kilometers / 1334 nautical miles.

The driving distance from Washington D.C. (IAD) to Casper (CPR) is 1827 miles / 2940 kilometers, and travel time by car is about 32 hours 43 minutes.

Washington Dulles International Airport – Casper–Natrona County International Airport

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1535
Miles
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2470
Kilometers
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1334
Nautical miles

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Distance from Washington D.C. to Casper

There are several ways to calculate the distance from Washington D.C. to Casper. Here are two standard 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 planet.

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).

How long does it take to fly from Washington D.C. to Casper?

The estimated flight time from Washington Dulles International Airport to Casper–Natrona County International Airport is 3 hours and 24 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Casper–Natrona County International Airport (CPR)

On average, flying from Washington D.C. to Casper generates about 182 kg of CO2 per passenger, and 182 kilograms equals 401 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Casper–Natrona County International Airport (CPR).

Airport information

Origin 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
Destination 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