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).
Time difference and current local times
The time difference between Casper and Portland is 2 hours. Portland is 2 hours ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 201 kg (443 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Portland (PWM).