The flight time from Portland International Airport to Malmstrom Air Force Base is:
1 hour, 37 minutes
Flight map from PDX to GFA
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Flying time from PDX to GFA
The total flight duration from PDX to GFA is 1 hour, 37 minutes.
This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.
If you're planning a trip, remember to add more time for the plane to taxi between the gate and the airport runway. This measurement is only for the actual flying time. You should also factor in airport wait times and possible equipment or weather delays. If you're trying to figure out what time you'll arrive at the destination, you may want to see if there's a time difference between PDX and GFA.
The calculation of flight time is based on the straight line distance from PDX to GFA ("as the crow flies"), which is about 559 miles or 899 kilometers.
Your trip begins at Portland International Airport in Portland, Oregon.
It ends at Malmstrom Air Force Base in Great Falls, Montana.
Your flight direction from PDX to GFA is East (72 degrees from North).
The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.
Portland International Airport
IATA: PDXICAO: KPDX
FAA: PDX
City: Portland
State: Oregon
Zip code: 97218
Country: United States
Category: airports
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Malmstrom Air Force Base
IATA: GFAICAO: KGFA
FAA: GFA
City: Great Falls
State: Montana
Zip code: 59402
Country: United States
Category: airports
related links
Flight time calculator
Travelmath provides an online flight time calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the flying time between any two points. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a typical flight would take. Find your travel time to estimate the length of a flight between airports, or ask how long it takes to fly from one city to another.
