Distance between cities › USA › Montana › Roberts, MT › Distance from Roberts to Gregory Book Hotels

Distance from Roberts, MT to Gregory, MI

Distance

1,503 mi

Time

1 day 2 hours

Gas Cost

$140 - $272

There are 1,259.32 miles from Roberts to Gregory in east direction and 1,503 miles (2,418.84 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Gregory are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Roberts, MT to Gregory, MI.

Please note the time difference between Roberts, MT and Gregory, MI is 2 hours. The current time in Roberts is 4:15 am and the current time in Gregory is 6:15 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Gregory, MI? Here there are some offers to rent a car in Roberts, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Roberts »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 60.38 gallons of gas to cover the route between Roberts, MT and Gregory, MI.

The estimated cost of gas to go from Roberts to Gregory is $196.94.

During the route, an average car will release 1,182.87 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roberts, MT and Gregory, MI

If you want to meet halfway between Roberts, MT and Gregory, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.63759 and -96.102612, or 43º 38' 15.324" N, 96º 6' 9.4032" W. This location is 751.67 miles away from Roberts, MT and Gregory, MI and it would take approximately 13 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Magnolia, MN, situated 736 miles from Roberts, MT and 770 miles from Gregory, MI. It would take 12 hours 44 mins to go from Roberts to Magnolia and 14 hours 19 mins to go from Gregory to Magnolia.