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

Distance from Roberts, MT to Modesto, IL

Distance

1,296 mi

Time

23 hours 13 mins

Gas Cost

$121 - $235

There are 1,056.31 miles from Roberts to Modesto in southeast direction and 1,296 miles (2,085.71 kilometers) by car, following the I-29 route.

Roberts and Modesto are 23 hours 13 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Modesto, IL is 1 hour. The current time in Roberts is 1:36 am and the current time in Modesto is 2:36 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Modesto, 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 52.06 gallons of gas to cover the route between Roberts, MT and Modesto, IL.

The estimated cost of gas to go from Roberts to Modesto is $169.82.

During the route, an average car will release 1,019.95 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 Modesto, IL

If you want to meet halfway between Roberts, MT and Modesto, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.694731 and -98.435861, or 43º 41' 41.0316" N, 98º 26' 9.0996" W. This location is 648.14 miles away from Roberts, MT and Modesto, IL and it would take approximately 11 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Plankinton, SD, situated 613 miles from Roberts, MT and 685 miles from Modesto, IL. It would take 10 hours 44 mins to go from Roberts to Plankinton and 12 hours 34 mins to go from Modesto to Plankinton.