How far is Casper, WY, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Casper (Casper–Natrona County International Airport) is 857 miles / 1380 kilometers / 745 nautical miles.
The driving distance from Ontario (ONT) to Casper (CPR) is 1035 miles / 1666 kilometers, and travel time by car is about 18 hours 36 minutes.
Ontario International Airport – Casper–Natrona County International Airport
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Distance from Ontario to Casper
There are several ways to calculate the distance from Ontario to Casper. Here are two standard 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 planet.
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).
How long does it take to fly from Ontario to Casper?
The estimated flight time from Ontario International Airport to Casper–Natrona County International Airport is 2 hours and 7 minutes.
What is the time difference between Ontario and Casper?
The time difference between Ontario and Casper is 1 hour. Casper is 1 hour ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Casper–Natrona County International Airport (CPR)
On average, flying from Ontario to Casper generates about 140 kg of CO2 per passenger, and 140 kilograms equals 309 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Casper
See the map of the shortest flight path between Ontario International Airport (ONT) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | 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 |