How far is Lewistown, MT, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Lewistown (Lewistown Municipal Airport) is 992 miles / 1597 kilometers / 862 nautical miles.
The driving distance from Ontario (ONT) to Lewistown (LWT) is 1223 miles / 1968 kilometers, and travel time by car is about 22 hours 13 minutes.
Ontario International Airport – Lewistown Municipal Airport
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Distance from Ontario to Lewistown
There are several ways to calculate the distance from Ontario to Lewistown. Here are two standard methods:
Vincenty's formula (applied above)- 992.178 miles
- 1596.755 kilometers
- 862.179 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- 992.807 miles
- 1597.768 kilometers
- 862.726 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 Lewistown?
The estimated flight time from Ontario International Airport to Lewistown Municipal Airport is 2 hours and 22 minutes.
What is the time difference between Ontario and Lewistown?
The time difference between Ontario and Lewistown is 1 hour. Lewistown is 1 hour ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Lewistown Municipal Airport (LWT)
On average, flying from Ontario to Lewistown generates about 150 kg of CO2 per passenger, and 150 kilograms equals 331 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 Lewistown
See the map of the shortest flight path between Ontario International Airport (ONT) and Lewistown Municipal Airport (LWT).
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 | Lewistown Municipal Airport |
|---|---|
| City: | Lewistown, MT |
| Country: | United States |
| IATA Code: | LWT |
| ICAO Code: | KLWT |
| Coordinates: | 47°2′57″N, 109°28′1″W |