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

Distance from Armour, SD to Marcus, WA

Distance

1,219 mi

Time

21 hours 24 mins

Gas Cost

$114 - $221

There are 1,012.56 miles from Armour to Marcus in northwest direction and 1,219 miles (1,961.79 kilometers) by car, following the I-90 route.

Armour and Marcus are 21 hours 24 mins far apart, if you drive non-stop .

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

Please note the time difference between Armour, SD and Marcus, WA is 2 hours. The current time in Armour is 10:26 am and the current time in Marcus is 8:26 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Marcus, 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 48.95 gallons of gas to cover the route between Armour, SD and Marcus, WA.

The estimated cost of gas to go from Armour to Marcus is $159.67.

During the route, an average car will release 958.97 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 Marcus, WA

If you want to meet halfway between Armour, SD and Marcus, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.700884 and -108.668127, or 45º 42' 3.1824" N, 108º 40' 5.2572" W. This location is 609.39 miles away from Armour, SD and Marcus, WA and it would take approximately 10 hours 42 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 607 miles from Marcus, WA. It would take 10 hours 45 mins to go from Armour to Laurel and 10 hours 42 mins to go from Marcus to Laurel.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Marcus, WA is Billings, MT, situated 597 miles from Armour, SD and 622 miles from Marcus, WA. It would take 10 hours 27 mins to go from Armour to Billings and 11 hours 3 mins to go from Marcus to Billings.