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

Distance from Roberts, MT to Saint Libory, IL

Distance

1,352 mi

Time

1 day

Gas Cost

$124 - $241

There are 1,108.04 miles from Roberts to Saint Libory in southeast direction and 1,352 miles (2,175.83 kilometers) by car, following the I-29 route.

Roberts and Saint Libory are 1 day far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Saint Libory, IL is 1 hour. The current time in Roberts is 11:57 pm (Mar 11) and the current time in Saint Libory is 12:57 am (Mar 12).

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Saint Libory, 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 54.28 gallons of gas to cover the route between Roberts, MT and Saint Libory, IL.

The estimated cost of gas to go from Roberts to Saint Libory is $173.92.

During the route, an average car will release 1,063.52 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roberts, MT and Saint Libory, IL

If you want to meet halfway between Roberts, MT and Saint Libory, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.691481 and -98.036493, or 43º 41' 29.3316" N, 98º 2' 11.3748" W. This location is 675.83 miles away from Roberts, MT and Saint Libory, IL and it would take approximately 12 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchell, SD, situated 636 miles from Roberts, MT and 718 miles from Saint Libory, IL. It would take 11 hours 8 mins to go from Roberts to Mitchell and 13 hours 8 mins to go from Saint Libory to Mitchell.