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

Distance from Armour, SD to Froid, MT

Distance

625 mi

Time

11 hours 38 mins

Gas Cost

$58 - $113

There are 455.41 miles from Armour to Froid in northwest direction and 625 miles (1,005.84 kilometers) by car, following the I-94 route.

Armour and Froid are 11 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Froid, MT.

Please note the time difference between Armour, SD and Froid, MT is 1 hour. The current time in Armour is 1:47 pm and the current time in Froid is 12:47 pm.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Froid, MT? 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 25.12 gallons of gas to cover the route between Armour, SD and Froid, MT.

The estimated cost of gas to go from Armour to Froid is $81.93.

During the route, an average car will release 492.08 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 Froid, MT

If you want to meet halfway between Armour, SD and Froid, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.836726 and -100.44533, or 46º 50' 12.2136" N, 100º 26' 43.188" W. This location is 312.70 miles away from Armour, SD and Froid, MT and it would take approximately 5 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is McKenzie, ND, situated 336 miles from Armour, SD and 291 miles from Froid, MT. It would take 6 hours 29 mins to go from Armour to McKenzie and 5 hours 14 mins to go from Froid to McKenzie.