Distance between cities › USA › Illinois › Walnut, IL › Distance from Walnut to Portland International Airport Book Hotels

Distance from Walnut, IL to PDX Airport

Distance

2,002 mi

Time

1 day 10 hours

Gas Cost

$187 - $363

Helpful Inaccurate

There are 1,663.20 miles from Walnut to Portland International Airport (PDX) in west direction and 2,002 miles (3,221.91 kilometers) by car, following the I-84 route.

Walnut and PDX Airport are 1 day 10 hours far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to PDX Airport. The halfway point is Buffalo, WY.

Please note the time difference between Walnut, IL and PDX Airport is 2 hours. The current time in Walnut is 10:38 am and the current time in PDX Airport is 8:38 am.

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Lowest Price Rental Cars in Walnut, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Walnut »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 80.42 gallons of gas to cover the route between Walnut, IL and PDX Airport.

The estimated cost of gas to go from Walnut to PDX Airport is $262.32.

During the route, an average car will release 1,575.51 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 Walnut, IL and PDX Airport

If you want to meet halfway between Walnut, IL 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 44.221249 and -106.357811, or 44º 13' 16.4964" N, 106º 21' 28.1196" W. This location is 1,001.18 miles away from Walnut, IL and PDX Airport and it would take approximately 17 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, WY, situated 1,068 miles from Walnut, IL and 1,042 miles from PDX Airport. It would take 15 hours 14 mins to go from Walnut to Buffalo and 15 hours 10 mins to go from PDX to Buffalo.