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

Distance from Armour, SD to Twisp, WA

Distance

1,312 mi

Time

23 hours 36 mins

Gas Cost

$122 - $238

There are 1,100.13 miles from Armour to Twisp in northwest direction and 1,312 miles (2,111.46 kilometers) by car, following the I-90 route.

Armour and Twisp are 23 hours 36 mins far apart, if you drive non-stop .

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

Please note the time difference between Armour, SD and Twisp, WA is 2 hours. The current time in Armour is 8:58 am and the current time in Twisp is 6:58 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Twisp, 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 52.67 gallons of gas to cover the route between Armour, SD and Twisp, WA.

The estimated cost of gas to go from Armour to Twisp is $171.82.

During the route, an average car will release 1,031.99 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 Twisp, WA

If you want to meet halfway between Armour, SD and Twisp, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.711182 and -109.628003, or 45º 42' 40.2552" N, 109º 37' 40.8108" W. This location is 655.79 miles away from Armour, SD and Twisp, WA and it would take approximately 11 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Reed Point, MT, situated 655 miles from Armour, SD and 657 miles from Twisp, WA. It would take 11 hours 25 mins to go from Armour to Reed Point and 12 hours 13 mins to go from Twisp to Reed Point.