How far is Ontario, CA, from Butte, MT?
The distance between Butte (Bert Mooney Airport) and Ontario (Ontario International Airport) is 864 miles / 1390 kilometers / 751 nautical miles.
The driving distance from Butte (BTM) to Ontario (ONT) is 1069 miles / 1721 kilometers, and travel time by car is about 17 hours 54 minutes.
Bert Mooney Airport – Ontario International Airport
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Distance from Butte to Ontario
There are several ways to calculate the distance from Butte to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 863.972 miles
- 1390.428 kilometers
- 750.771 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- 864.885 miles
- 1391.897 kilometers
- 751.564 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 Butte to Ontario?
The estimated flight time from Bert Mooney Airport to Ontario International Airport is 2 hours and 8 minutes.
What is the time difference between Butte and Ontario?
The time difference between Butte and Ontario is 1 hour. Ontario is 1 hour behind Butte.
Flight carbon footprint between Bert Mooney Airport (BTM) and Ontario International Airport (ONT)
On average, flying from Butte to Ontario generates about 141 kg of CO2 per passenger, and 141 kilograms equals 310 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Butte to Ontario
See the map of the shortest flight path between Bert Mooney Airport (BTM) and Ontario International Airport (ONT).
Airport information
| Origin | Bert Mooney Airport |
|---|---|
| City: | Butte, MT |
| Country: | United States  |
| IATA Code: | BTM |
| ICAO Code: | KBTM |
| Coordinates: | 45°57′17″N, 112°29′49″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |