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

Distance from Harrison, SD to PDX Airport

Distance

1,480 mi

Time

1 day 2 hours

Gas Cost

$135 - $263

Helpful Inaccurate

There are 1,190.68 miles from Harrison to Portland International Airport (PDX) in west direction and 1,480 miles (2,381.83 kilometers) by car, following the I-90 route.

Harrison and PDX Airport are 1 day 2 hours far apart, if you drive non-stop .

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

Please note the time difference between Harrison, SD and PDX Airport is 2 hours. The current time in Harrison is 11:31 pm and the current time in PDX Airport is 9:31 pm.

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Lowest Price Rental Cars in Harrison, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 59.44 gallons of gas to cover the route between Harrison, SD and PDX Airport.

The estimated cost of gas to go from Harrison to PDX Airport is $190.45.

During the route, an average car will release 1,164.59 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harrison, SD and PDX Airport

If you want to meet halfway between Harrison, 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 45.716499 and -110.511818, or 45º 42' 59.3964" N, 110º 30' 42.5448" W. This location is 740.05 miles away from Harrison, SD and PDX Airport and it would take approximately 13 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Livingston, MT, situated 763 miles from Harrison, SD and 763 miles from PDX Airport. It would take 10 hours 57 mins to go from Harrison to Livingston and 11 hours 13 mins to go from PDX to Livingston.