Distance between cities › USA › Montana › Ryegate, MT › Distance from Ryegate to Armstrong Book Hotels

Distance from Ryegate, MT to Armstrong, MO

Distance

1,179 mi

Time

21 hours 2 mins

Gas Cost

$110 - $214

There are 967.11 miles from Ryegate to Armstrong in southeast direction and 1,179 miles (1,897.42 kilometers) by car, following the I-29 route.

Ryegate and Armstrong are 21 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Ryegate, MT to Armstrong, MO. The halfway point is Presho, SD.

Please note the time difference between Ryegate, MT and Armstrong, MO is 1 hour. The current time in Ryegate is 9:11 am and the current time in Armstrong is 10:11 am.

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Lowest Price Rental Cars in Ryegate, MT

Planning on renting a car to go from Ryegate, MT to Armstrong, MO? Here there are some offers to rent a car in Ryegate, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ryegate »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.37 gallons of gas to cover the route between Ryegate, MT and Armstrong, MO.

The estimated cost of gas to go from Ryegate to Armstrong is $154.51.

During the route, an average car will release 927.99 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 Ryegate, MT and Armstrong, MO

If you want to meet halfway between Ryegate, MT and Armstrong, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.894726 and -99.964333, or 43º 53' 41.0136" N, 99º 57' 51.5988" W. This location is 589.71 miles away from Ryegate, MT and Armstrong, MO and it would take approximately 10 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Presho, SD, situated 602 miles from Ryegate, MT and 659 miles from Armstrong, MO. It would take 9 hours 21 mins to go from Ryegate to Presho and 9 hours 36 mins to go from Armstrong to Presho.