How far is Kalispell, MT, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Kalispell (Glacier Park International Airport) is 999 miles / 1607 kilometers / 868 nautical miles.
The driving distance from Ontario (ONT) to Kalispell (FCA) is 1288 miles / 2073 kilometers, and travel time by car is about 21 hours 57 minutes.
Ontario International Airport – Glacier Park International Airport
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Distance from Ontario to Kalispell
There are several ways to calculate the distance from Ontario to Kalispell. Here are two standard methods:
Vincenty's formula (applied above)- 998.757 miles
- 1607.343 kilometers
- 867.896 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- 999.874 miles
- 1609.141 kilometers
- 868.867 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 Kalispell?
The estimated flight time from Ontario International Airport to Glacier Park International Airport is 2 hours and 23 minutes.
What is the time difference between Ontario and Kalispell?
The time difference between Ontario and Kalispell is 1 hour. Kalispell is 1 hour ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Glacier Park International Airport (FCA)
On average, flying from Ontario to Kalispell generates about 151 kg of CO2 per passenger, and 151 kilograms equals 332 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 Kalispell
See the map of the shortest flight path between Ontario International Airport (ONT) and Glacier Park International Airport (FCA).
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 | Glacier Park International Airport |
|---|---|
| City: | Kalispell, MT |
| Country: | United States |
| IATA Code: | FCA |
| ICAO Code: | KGPI |
| Coordinates: | 48°18′37″N, 114°15′21″W |