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)
- 834.361 miles
- 1342.774 kilometers
- 725.040 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
- 832.431 miles
- 1339.668 kilometers
- 723.363 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 Boeing Field (BFI) is 2 hours 4 minutes.
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).
Casper to Seattle flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Seattle (BFI).