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How far is Portland, ME, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Portland (Portland International Jetport) is 1810 miles / 2913 kilometers / 1573 nautical miles.

The driving distance from Casper (CPR) to Portland (PWM) is 2225 miles / 3581 kilometers, and travel time by car is about 40 hours 20 minutes.

Casper–Natrona County International Airport – Portland International Jetport

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1810
Miles
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2913
Kilometers
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1573
Nautical miles

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Distance from Casper to Portland

There are several ways to calculate the distance from Casper to Portland. Here are two standard methods:

Vincenty's formula (applied above)
  • 1809.786 miles
  • 2912.568 kilometers
  • 1572.661 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
  • 1804.924 miles
  • 2904.743 kilometers
  • 1568.436 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 Casper to Portland?

The estimated flight time from Casper–Natrona County International Airport to Portland International Jetport is 3 hours and 55 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Portland International Jetport (PWM)

On average, flying from Casper to Portland generates about 201 kg of CO2 per passenger, and 201 kilograms equals 443 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Casper to Portland

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Portland International Jetport (PWM).

Airport information

Origin 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
Destination Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W