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

Distance from Roberts, MT to Frontier, MI

Distance

1,455 mi

Time

1 day 2 hours

Gas Cost

$136 - $264

There are 1,246.10 miles from Roberts to Frontier in east direction and 1,455 miles (2,341.60 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

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

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

Please note the time difference between Roberts, MT and Frontier, MI is 2 hours. The current time in Roberts is 2:04 am and the current time in Frontier is 4:04 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Frontier, 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 58.41 gallons of gas to cover the route between Roberts, MT and Frontier, MI.

The estimated cost of gas to go from Roberts to Frontier is $190.55.

During the route, an average car will release 1,144.45 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 Frontier, MI

If you want to meet halfway between Roberts, MT and Frontier, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.608455 and -96.510207, or 43º 36' 30.438" N, 96º 30' 36.7452" W. This location is 727.26 miles away from Roberts, MT and Frontier, MI and it would take approximately 13 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Valley Springs, SD, situated 717 miles from Roberts, MT and 741 miles from Frontier, MI. It would take 12 hours 25 mins to go from Roberts to Valley Springs and 13 hours 58 mins to go from Frontier to Valley Springs.

Major City Closest to Halfway Point

The major city closest to the halfway point between Roberts, MT and Frontier, MI is Sioux Falls, SD, situated 707 miles from Roberts, MT and 756 miles from Frontier, MI. It would take 12 hours 16 mins to go from Roberts to Sioux Falls and 14 hours 14 mins to go from Frontier to Sioux Falls.