The cost of driving from Malmstrom Air Force Base to Friday Harbor Seaplane Base is:
$82.69 one-way / $165.38 round trip
Route to drive from GFA to FBS
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More trip calculations
Road trip planner
The total cost of driving from GFA to FBS (one-way) is $82.69 at current gas prices.
The round trip cost would be $165.38 to go from GFA to FBS and back to GFA again.
Regular fuel costs are around $3.74 per gallon for your trip. This calculation assumes that your vehicle gets an average gas mileage of 25 mpg for a mix of city and highway driving.
All currency units are U.S. Dollars. If you prefer international units, the equivalent petrol pump price is 98.9 cents/litre. This assumes a typical fuel economy of 9.4 L/100 km.
You'll go through 22.1 gallons of gas during this trip. This is equal to 83.6 litres.
If you fill your tank with unleaded gasoline, the carbon emissions will be around 432 lbs CO2. This is equivalent to 196 kg CO2e or 0.20 tonnes of carbon dioxide equivalents. These numbers may change depending on the exact make and model of your car. If your vehicle uses diesel instead, the CO2 emissions will be around 506 lbs CO2, which is equivalent to 230 kg CO2e or 0.23 tonnes of carbon dioxide equivalents.
These results are based on the straight line distance from GFA to FBS, which is 552 miles or 889 kilometers.
Your trip begins at Malmstrom Air Force Base in Great Falls, Montana. The price of regular gas is currently averaging $3.21 in Montana.
Your trip ends at Friday Harbor Seaplane Base in San Juan Island, Washington. The price of regular gas is around $4.28 in Washington.
Currently, we only have exact data for locations in the United States. To improve the accuracy of your fuel cost estimate, you can enter the actual price you pay for gas or petrol at the local pump in the table above.
Fuel costs
The following chart displays the difference in total cost of driving given varying fuel grades. If your car requires higher octane gas, you can find out how much more it will cost you to drive between GFA and FBS.
| Fuel grade | Avg Price | Trip Cost |
| Regular | $3.74 | $82.69 |
| Mid-Grade | $4.04 | $89.13 |
| Premium | $4.30 | $94.98 |
| Diesel | $3.96 | $87.46 |
Malmstrom Air Force Base
IATA: GFAICAO: KGFA
FAA: GFA
City: Great Falls
State: Montana
Zip code: 59402
Country: United States
Category: airports
Average gas price in Montana: $3.21
related links
Friday Harbor Seaplane Base
IATA: FBSFAA: W33
City: San Juan Island
State: Washington
Zip code: 98250
Country: United States
Category: airports
Average gas price in Washington: $4.28
related links
Cost of driving
Travelmath provides an online driving cost calculator to help you determine how much you'll spend on gas for your next road trip. You can enter airports, cities, states, countries, or zip codes to compute the cost of driving between locations. Driving distances are calculated using actual driving directions if they are available, or a GPS-accurate method for the straight line distance. Automatic estimates are provided for local gas prices and vehicle fuel efficiency in miles per gallon (mpg) or liters per 100 kilometers (L/100 km), based on the make and model of your car, SUV, or minivan. Don't let the economy and rising oil prices stop you from taking your next trip. You can use this tool to find out if it's cheaper to fly or drive to your destination.
