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)
- 820.301 miles
- 1320.147 kilometers
- 712.822 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
- 818.193 miles
- 1316.754 kilometers
- 710.990 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 Airport (PDX) is 2 hours 3 minutes.
Time difference and current local times
The time difference between Casper and Portland is 1 hour. Portland is 1 hour behind Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 137 kg (301 pounds).
Casper to Portland flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Portland (PDX).