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

Distance from Roberts, MT to Freeport, IL

Distance

1,152 mi

Time

21 hours

Gas Cost

$107 - $209

There are 994.38 miles from Roberts to Freeport in southeast direction and 1,152 miles (1,853.96 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Freeport are 21 hours far apart, if you drive non-stop .

This is the fastest route from Roberts, MT to Freeport, IL.

Please note the time difference between Roberts, MT and Freeport, IL is 1 hour. The current time in Roberts is 2:26 am and the current time in Freeport is 3:26 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Freeport, IL? 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 46.25 gallons of gas to cover the route between Roberts, MT and Freeport, IL.

The estimated cost of gas to go from Roberts to Freeport is $150.88.

During the route, an average car will release 906.18 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 Freeport, IL

If you want to meet halfway between Roberts, MT and Freeport, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.76175 and -99.287143, or 43º 45' 42.3" N, 99º 17' 13.7148" W. This location is 575.85 miles away from Roberts, MT and Freeport, IL and it would take approximately 10 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chamberlain, SD, situated 568 miles from Roberts, MT and 585 miles from Freeport, IL. It would take 10 hours 4 mins to go from Roberts to Chamberlain and 11 hours 4 mins to go from Freeport to Chamberlain.