How far is Ontario from Casper?
There are several ways to calculate distances between Casper and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 857.233 miles
- 1379.584 kilometers
- 744.916 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
- 856.958 miles
- 1379.140 kilometers
- 744.676 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 Ontario International Airport (ONT) is 2 hours 7 minutes.
Time difference and current local times
The time difference between Casper and Ontario is 1 hour. Ontario is 1 hour behind Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 140 kg (309 pounds).
Casper to Ontario flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Ontario (ONT).