Map of flight path and driving directions from Casper to Seattle.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Seattle–Tacoma International Airport (SEA).
How far is Seattle from Casper?
There are several ways to calculate distances between Casper and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 833.088 miles
- 1340.726 kilometers
- 723.934 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
- 831.151 miles
- 1337.608 kilometers
- 722.250 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).
|A||Casper–Natrona County International Airport|
|B||Seattle–Tacoma International Airport|
Time difference and current local times
The time difference between Casper and Seattle is 1 hour. Seattle is 1 hour behind Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 138 kg (304 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Seattle (SEA).