Air Miles Calculator

Distance between Casper, WY (CPR) and Portland, ME (PWM)

Flight distance from Casper to Portland (Casper–Natrona County International Airport – Portland International Jetport) is 1810 miles / 2913 kilometers / 1573 nautical miles. Estimated flight time is 3 hours 55 minutes.

Driving distance from Casper (CPR) to Portland (PWM) is 2220 miles / 3572 kilometers and travel time by car is about 37 hours 49 minutes.

Map of flight path and driving directions from Casper to Portland.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Portland International Jetport (PWM).

How far is Portland from Casper?

There are several ways to calculate distances between Casper and Portland. Here are two common 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 earth.

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).

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 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

Time difference and current local times

The time difference between Casper and Portland is 2 hours. Portland is 2 hours ahead of Casper.

Time Difference

Casper, WY

 MST

Portland, ME

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 201 kg (443 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Portland (PWM).

Distance:
1810
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1810

Round trip?