Distance between cities › USA › South Dakota › Armour, SD › Distance from Armour to Pullman Book Hotels

Distance from Armour, SD to Pullman, WA

Distance

1,195 mi

Time

20 hours 58 mins

Gas Cost

$111 - $217

There are 947.01 miles from Armour to Pullman in northwest direction and 1,195 miles (1,923.17 kilometers) by car, following the I-90 route.

Armour and Pullman are 20 hours 58 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Pullman, WA. The halfway point is Huntley, MT.

Please note the time difference between Armour, SD and Pullman, WA is 2 hours. The current time in Armour is 11:47 am and the current time in Pullman is 9:47 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Pullman, WA? Here there are some offers to rent a car in Armour, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Armour »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 48.01 gallons of gas to cover the route between Armour, SD and Pullman, WA.

The estimated cost of gas to go from Armour to Pullman is $156.61.

During the route, an average car will release 940.61 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 Armour, SD and Pullman, WA

If you want to meet halfway between Armour, SD and Pullman, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.802223 and -108.145798, or 45º 48' 8.0028" N, 108º 8' 44.8728" W. This location is 597.73 miles away from Armour, SD and Pullman, WA and it would take approximately 10 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Huntley, MT, situated 653 miles from Armour, SD and 628 miles from Pullman, WA. It would take 9 hours 29 mins to go from Armour to Huntley and 8 hours 55 mins to go from Pullman to Huntley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Pullman, WA is Billings, MT, situated 654 miles from Armour, SD and 614 miles from Pullman, WA. It would take 9 hours 28 mins to go from Armour to and 8 hours 43 mins to go from Pullman to Billings.