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

Distance from Armour, SD to Benge, WA

Distance

1,221 mi

Time

21 hours 26 mins

Gas Cost

$114 - $221

There are 991.78 miles from Armour to Benge in northwest direction and 1,221 miles (1,965.01 kilometers) by car, following the I-90 route.

Armour and Benge are 21 hours 26 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Benge, WA.

Please note the time difference between Armour, SD and Benge, WA is 2 hours. The current time in Armour is 9:22 am and the current time in Benge is 7:22 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Benge, 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 49.04 gallons of gas to cover the route between Armour, SD and Benge, WA.

The estimated cost of gas to go from Armour to Benge is $159.95.

During the route, an average car will release 960.71 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 Benge, WA

If you want to meet halfway between Armour, SD and Benge, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.666046 and -108.754732, or 45º 39' 57.7656" N, 108º 45' 17.0352" W. This location is 610.50 miles away from Armour, SD and Benge, WA and it would take approximately 10 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Laurel, MT, situated 613 miles from Armour, SD and 609 miles from Benge, WA. It would take 10 hours 45 mins to go from Armour to Laurel and 10 hours 44 mins to go from Benge to Laurel.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Benge, WA is Billings, MT, situated 597 miles from Armour, SD and 624 miles from Benge, WA. It would take 10 hours 27 mins to go from Armour to Billings and 11 hours 5 mins to go from Benge to Billings.