Map of flight path and driving directions from Casper to Portland.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Portland International Airport (PDX).
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).
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).
Frequent Flyer Miles Calculator
Casper (CPR) → Portland (PDX).