# Distance between Casper, WY (CPR) and Portland, OR (PDX)

Flight distance from Casper to Portland (Casper–Natrona County International Airport – Portland International Airport) is 820 miles / 1320 kilometers / 713 nautical miles. Estimated flight time is 2 hours 3 minutes.

Driving distance from Casper (CPR) to Portland (PDX) is 1130 miles / 1819 kilometers and travel time by car is about 19 hours 2 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 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).

## Airport information

A Casper–Natrona County International Airport
City: Casper, WY
Country: United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B Portland International Airport
City: Portland, OR
Country: United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W

## Time difference and current local times

The time difference between Casper and Portland is 1 hour. Portland is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 137 kg (301 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Portland (PDX).

Distance:
820
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
820

Round trip?