Air Miles Calculator

Distance between Casper, WY (CPR) and Ontario, CA (ONT)

Distance from Casper to Ontario (Casper–Natrona County International Airport – Ontario International Airport) is 857 miles / 1380 kilometers / 745 nautical miles.

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).

Flight duration

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.

Time Difference

Casper
Ontario

Casper, WY

 MST

Ontario, CA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (309 pounds).

Airport information


A Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W

Map

Casper to Ontario flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → Ontario (ONT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
857
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
857

Round trip?