Distance between cities › USA › South Dakota › Selby, SD › Distance from Selby to Portland International Airport Book Hotels

Distance from Selby, SD to PDX Airport

Distance

1,340 mi

Time

1 day

Gas Cost

$125 - $243

Helpful Inaccurate

There are 1,088.15 miles from Selby to Portland International Airport (PDX) in west direction and 1,340 miles (2,156.52 kilometers) by car, following the I-90 route.

Selby and PDX Airport are 1 day far apart, if you drive non-stop .

This is the fastest route from Selby, SD to PDX Airport. The halfway point is Manhattan, MT.

Please note the time difference between Selby, SD and PDX Airport is 2 hours. The current time in Selby is 7:29 am and the current time in PDX Airport is 5:29 am.

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Lowest Price Rental Cars in Selby, SD

Planning on renting a car to go from Selby, SD to PDX Airport? Here there are some offers to rent a car in Selby, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Selby »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.82 gallons of gas to cover the route between Selby, SD and PDX Airport.

The estimated cost of gas to go from Selby to PDX Airport is $175.55.

During the route, an average car will release 1,054.36 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Selby, SD and PDX Airport

If you want to meet halfway between Selby, SD and PDX Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.801781 and -111.289703, or 45º 48' 6.4116" N, 111º 17' 22.9308" W. This location is 670.01 miles away from Selby, SD and PDX Airport and it would take approximately 12 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Manhattan, MT, situated 696 miles from Selby, SD and 718 miles from PDX Airport. It would take 11 hours 30 mins to go from Selby to Manhattan and 10 hours 34 mins to go from PDX to Manhattan.