Distance between Casper, WY (CPR) and Boise, ID (BOI)
Flight distance from Casper to Boise (Casper–Natrona County International Airport – Boise Airport) is 494 miles / 796 kilometers / 430 nautical miles. Estimated flight time is 1 hour 26 minutes.
Driving distance from Casper (CPR) to Boise (BOI) is 705 miles / 1134 kilometers and travel time by car is about 11 hours 40 minutes.
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Casper - Boise
Map of flight path and driving directions from Casper to Boise.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Boise Airport (BOI).
How far is Boise from Casper?
There are several ways to calculate distances between Casper and Boise. Here are two common methods:
Vincenty's formula (applied above)- 494.355 miles
- 795.587 kilometers
- 429.582 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- 493.041 miles
- 793.472 kilometers
- 428.441 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 | Boise Airport |
|---|---|
| City: | Boise, ID |
| Country: | United States |
| IATA Code: | BOI |
| ICAO Code: | KBOI |
| Coordinates: | 43°33′51″N, 116°13′22″W |
Time difference and current local times
There is no time difference between Casper and Boise.
Time Difference
Casper, WY
Boise, ID
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 98 kg (216 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Boise (BOI).
In total
Round trip?