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

Distance from Armour, SD to Addy, WA

Distance

1,191 mi

Time

20 hours 44 mins

Gas Cost

$111 - $216

There are 997.35 miles from Armour to Addy in northwest direction and 1,191 miles (1,916.73 kilometers) by car, following the I-90 route.

Armour and Addy are 20 hours 44 mins far apart, if you drive non-stop .

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

Please note the time difference between Armour, SD and Addy, WA is 2 hours. The current time in Armour is 6:05 am and the current time in Addy is 4:05 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Addy, 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 47.82 gallons of gas to cover the route between Armour, SD and Addy, WA.

The estimated cost of gas to go from Armour to Addy is $155.98.

During the route, an average car will release 936.85 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 Addy, WA

If you want to meet halfway between Armour, SD and Addy, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.788147 and -108.008453, or 45º 47' 17.3292" N, 108º 0' 30.4308" W. This location is 595.33 miles away from Armour, SD and Addy, WA and it would take approximately 10 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ballantine, MT, situated 661 miles from Armour, SD and 616 miles from Addy, WA. It would take 9 hours 38 mins to go from Armour to Ballantine and 9 hours 2 mins to go from Addy to Ballantine.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Addy, WA is Billings, MT, situated 654 miles from Armour, SD and 594 miles from Addy, WA. It would take 9 hours 28 mins to go from Armour to and 8 hours 41 mins to go from Addy to Billings.