Distance between cities › USA › Missouri › Calhoun, MO › Distance from Calhoun to Sun River Book Hotels

Distance from Calhoun, MO to Sun River, MT

Distance

1,342 mi

Time

23 hours 50 mins

Gas Cost

$125 - $243

There are 1,104.03 miles from Calhoun to Sun River in northwest direction and 1,342 miles (2,159.74 kilometers) by car, following the I-90 route.

Calhoun and Sun River are 23 hours 50 mins far apart, if you drive non-stop .

This is the fastest route from Calhoun, MO to Sun River, MT.

Please note the time difference between Calhoun, MO and Sun River, MT is 1 hour. The current time in Calhoun is 9:03 am and the current time in Sun River is 8:03 am.

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Lowest Price Rental Cars in Calhoun, MO

Planning on renting a car to go from Calhoun, MO to Sun River, MT? Here there are some offers to rent a car in Calhoun, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Calhoun »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.91 gallons of gas to cover the route between Calhoun, MO and Sun River, MT.

The estimated cost of gas to go from Calhoun to Sun River is $175.84.

During the route, an average car will release 1,056.14 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 Calhoun, MO and Sun River, MT

If you want to meet halfway between Calhoun, MO and Sun River, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.836252 and -101.650424, or 43º 50' 10.5072" N, 101º 39' 1.5264" W. This location is 671.14 miles away from Calhoun, MO and Sun River, MT and it would take approximately 11 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kadoka, SD, situated 695 miles from Calhoun, MO and 648 miles from Sun River, MT. It would take 12 hours 7 mins to go from Calhoun to Kadoka and 11 hours 49 mins to go from Sun River to Kadoka.