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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Portland International Jetport (PWM) is 3 hours 55 minutes.
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 199 kg (439 pounds).
Casper to Portland flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Portland (PWM).