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

Distance from Roberts, MT to Eureka, IL

Distance

1,266 mi

Time

22 hours 17 mins

Gas Cost

$118 - $229

There are 1,051.34 miles from Roberts to Eureka in southeast direction and 1,266 miles (2,037.43 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Eureka are 22 hours 17 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Eureka, IL is 1 hour. The current time in Roberts is 1:19 am and the current time in Eureka is 2:19 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Roberts, MT to Eureka, IL:

Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Eureka, 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 50.82 gallons of gas to cover the route between Roberts, MT and Eureka, IL.

The estimated cost of gas to go from Roberts to Eureka is $165.79.

During the route, an average car will release 995.75 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 Eureka, IL

If you want to meet halfway between Roberts, MT and Eureka, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.705542 and -98.489048, or 43º 42' 19.9512" N, 98º 29' 20.5728" W. This location is 632.76 miles away from Roberts, MT and Eureka, IL and it would take approximately 11 hours 8 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 654 miles from Eureka, IL. It would take 10 hours 44 mins to go from Roberts to Plankinton and 11 hours 38 mins to go from Eureka to Plankinton.