How far is Seattle, WA, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and Seattle (Seattle Boeing Field) is 834 miles / 1343 kilometers / 725 nautical miles.
The driving distance from Casper (CPR) to Seattle (BFI) is 1104 miles / 1776 kilometers, and travel time by car is about 19 hours 15 minutes.
Casper–Natrona County International Airport – Seattle Boeing Field
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Distance from Casper to Seattle
There are several ways to calculate the distance from Casper to Seattle. Here are two standard 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 planet.
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).
How long does it take to fly from Casper to Seattle?
The estimated flight time from Casper–Natrona County International Airport to Seattle Boeing Field is 2 hours and 4 minutes.
What is the time difference between Casper and Seattle?
The time difference between Casper and Seattle is 1 hour. Seattle is 1 hour behind Casper.
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Seattle Boeing Field (BFI)
On average, flying from Casper to Seattle generates about 138 kg of CO2 per passenger, and 138 kilograms equals 304 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Casper to Seattle
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Seattle Boeing Field (BFI).
Airport information
| Origin | 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 |
| Destination | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |