Distance between cities › USA › Montana › Grass Range, MT › Distance from Grass Range to Kennebec Book Hotels

Distance from Grass Range, MT to Kennebec, SD

Distance

584 mi

Time

10 hours 34 mins

Gas Cost

$54 - $106

There are 483.71 miles from Grass Range to Kennebec in southeast direction and 584 miles (939.86 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Kennebec are 10 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Kennebec, SD.

Please note the time difference between Grass Range, MT and Kennebec, SD is 1 hour. The current time in Grass Range is 4:30 am and the current time in Kennebec is 5:30 am.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Kennebec, SD? Here there are some offers to rent a car in Grass Range, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Range »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 23.47 gallons of gas to cover the route between Grass Range, MT and Kennebec, SD.

The estimated cost of gas to go from Grass Range to Kennebec is $76.55.

During the route, an average car will release 459.75 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 Grass Range, MT and Kennebec, SD

If you want to meet halfway between Grass Range, MT and Kennebec, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.159359 and -104.740972, or 45º 9' 33.6924" N, 104º 44' 27.4992" W. This location is 292.15 miles away from Grass Range, MT and Kennebec, SD and it would take approximately 5 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hammond, MT, situated 287 miles from Grass Range, MT and 298 miles from Kennebec, SD. It would take 5 hours 27 mins to go from Grass Range to Hammond and 5 hours 6 mins to go from Kennebec to Hammond.