Distance between cities › USA › Minnesota › Grandy, MN › Distance from Grandy to Boyes Book Hotels

Distance from Grandy, MN to Boyes, MT

Distance

745 mi

Time

13 hours 18 mins

Gas Cost

$69 - $135

There are 573.56 miles from Grandy to Boyes in west direction and 745 miles (1,198.96 kilometers) by car, following the I-90 route.

Grandy and Boyes are 13 hours 18 mins far apart, if you drive non-stop .

This is the fastest route from Grandy, MN to Boyes, MT. The halfway point is White Lake, SD.

Please note the time difference between Grandy, MN and Boyes, MT is 1 hour. The current time in Grandy is 8:22 am and the current time in Boyes is 7:22 am.

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Lowest Price Rental Cars in Grandy, MN

Planning on renting a car to go from Grandy, MN to Boyes, MT? Here there are some offers to rent a car in Grandy, MN

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grandy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 29.94 gallons of gas to cover the route between Grandy, MN and Boyes, MT.

The estimated cost of gas to go from Grandy to Boyes is $97.66.

During the route, an average car will release 586.55 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 Grandy, MN and Boyes, MT

If you want to meet halfway between Grandy, MN and Boyes, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.726624 and -98.729317, or 43º 43' 35.8464" N, 98º 43' 45.5412" W. This location is 372.73 miles away from Grandy, MN and Boyes, MT and it would take approximately 6 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is White Lake, SD, situated 382 miles from Grandy, MN and 365 miles from Boyes, MT. It would take 5 hours 48 mins to go from Grandy to White Lake and 5 hours 40 mins to go from Boyes to White Lake.