Distance between cities › USA › South Dakota › Chamberlain, SD › Distance from Chamberlain to Monarch Book Hotels

Distance from Chamberlain, SD to Monarch, MT

Distance

720 mi

Time

13 hours 6 mins

Gas Cost

$66 - $128

There are 601.52 miles from Chamberlain to Monarch in northwest direction and 720 miles (1,158.73 kilometers) by car, following the I-90 Business route.

Chamberlain and Monarch are 13 hours 6 mins far apart, if you drive non-stop .

This is the fastest route from Chamberlain, SD to Monarch, MT.

Please note the time difference between Chamberlain, SD and Monarch, MT is 1 hour. The current time in Chamberlain is 12:25 am (Mar 12) and the current time in Monarch is 11:25 pm (Mar 11).

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Lowest Price Rental Cars in Chamberlain, SD

Planning on renting a car to go from Chamberlain, SD to Monarch, MT? Here there are some offers to rent a car in Chamberlain, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Chamberlain »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 28.93 gallons of gas to cover the route between Chamberlain, SD and Monarch, MT.

The estimated cost of gas to go from Chamberlain to Monarch is $92.70.

During the route, an average car will release 566.87 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Chamberlain, SD and Monarch, MT

If you want to meet halfway between Chamberlain, SD and Monarch, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.471713 and -105.488203, or 45º 28' 18.1668" N, 105º 29' 17.5308" W. This location is 360.23 miles away from Chamberlain, SD and Monarch, MT and it would take approximately 6 hours 33 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Broadus, MT, situated 354 miles from Chamberlain, SD and 366 miles from Monarch, MT. It would take 6 hours 8 mins to go from Chamberlain to Broadus and 6 hours 58 mins to go from Monarch to Broadus.