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

Distance from Roberts, MT to Arrowsmith, IL

Distance

1,313 mi

Time

23 hours 15 mins

Gas Cost

$120 - $234

There are 1,089.76 miles from Roberts to Arrowsmith in southeast direction and 1,313 miles (2,113.07 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Arrowsmith are 23 hours 15 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Arrowsmith, IL is 1 hour. The current time in Roberts is 10:34 pm and the current time in Arrowsmith is 11:34 pm.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Arrowsmith, 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 52.72 gallons of gas to cover the route between Roberts, MT and Arrowsmith, IL.

The estimated cost of gas to go from Roberts to Arrowsmith is $168.90.

During the route, an average car will release 1,032.81 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 Arrowsmith, IL

If you want to meet halfway between Roberts, MT and Arrowsmith, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.693789 and -98.075775, or 43º 41' 37.6404" N, 98º 4' 32.79" W. This location is 656.31 miles away from Roberts, MT and Arrowsmith, IL and it would take approximately 11 hours 37 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 679 miles from Arrowsmith, IL. It would take 11 hours 8 mins to go from Roberts to Mitchell and 12 hours 15 mins to go from Arrowsmith to Mitchell.