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

Distance from Armour, SD to Edwall, WA

Distance

1,173 mi

Time

20 hours 22 mins

Gas Cost

$109 - $213

There are 990.81 miles from Armour to Edwall in northwest direction and 1,173 miles (1,887.76 kilometers) by car, following the I-90 route.

Armour and Edwall are 20 hours 22 mins far apart, if you drive non-stop .

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

Please note the time difference between Armour, SD and Edwall, WA is 2 hours. The current time in Armour is 10:46 am and the current time in Edwall is 8:46 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Edwall, 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 47.12 gallons of gas to cover the route between Armour, SD and Edwall, WA.

The estimated cost of gas to go from Armour to Edwall is $153.71.

During the route, an average car will release 923.23 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 Edwall, WA

If you want to meet halfway between Armour, SD and Edwall, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.824249 and -108.376332, or 45º 49' 27.2964" N, 108º 22' 34.7952" W. This location is 586.68 miles away from Armour, SD and Edwall, WA and it would take approximately 10 hours 11 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 597 miles from Armour, SD and 590 miles from Edwall, WA. It would take 10 hours 26 mins to go from Armour to Huntley and 10 hours 13 mins to go from Edwall to Huntley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Edwall, WA is Billings, MT, situated 597 miles from Armour, SD and 577 miles from Edwall, WA. It would take 10 hours 27 mins to go from Armour to Billings and 10 hours 1 min to go from Edwall to Billings.