Map of flight path and driving directions from Portland to Kalispell.
Shortest flight path between Portland International Airport (PDX) and Glacier Park International Airport (FCA).
How far is Kalispell from Portland?
There are several ways to calculate distances between Portland and Kalispell. Here are two common methods:Vincenty's formula (applied above)
- 436.791 miles
- 702.947 kilometers
- 379.561 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
- 435.776 miles
- 701.314 kilometers
- 378.679 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).
Time difference and current local times
The time difference between Portland and Kalispell is 1 hour. Kalispell is 1 hour ahead of Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 89 kg (197 pounds).
Frequent Flyer Miles Calculator
Portland (PDX) → Kalispell (FCA).