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

Distance from Grass Range, MT to Yankton, SD

Distance

769 mi

Time

13 hours 37 mins

Gas Cost

$72 - $139

There are 626.53 miles from Grass Range to Yankton in southeast direction and 769 miles (1,237.59 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Yankton are 13 hours 37 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Yankton, SD is 1 hour. The current time in Grass Range is 1:52 am and the current time in Yankton is 2:52 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 Yankton, 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 30.87 gallons of gas to cover the route between Grass Range, MT and Yankton, SD.

The estimated cost of gas to go from Grass Range to Yankton is $100.70.

During the route, an average car will release 604.80 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 Yankton, SD

If you want to meet halfway between Grass Range, MT and Yankton, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.270005 and -103.415662, or 44º 16' 12.018" N, 103º 24' 56.3832" W. This location is 384.33 miles away from Grass Range, MT and Yankton, SD and it would take approximately 6 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Piedmont, SD, situated 394 miles from Grass Range, MT and 375 miles from Yankton, SD. It would take 7 hours 31 mins to go from Grass Range to Piedmont and 6 hours 8 mins to go from Yankton to Piedmont.