Distance between cities › USA › Illinois › Berwick, IL › Distance from Berwick to Roundup Book Hotels

Distance from Berwick, IL to Roundup, MT

Distance

1,192 mi

Time

21 hours 16 mins

Gas Cost

$111 - $216

There are 978.51 miles from Berwick to Roundup in northwest direction and 1,192 miles (1,918.34 kilometers) by car, following the I-90 route.

Berwick and Roundup are 21 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Berwick, IL to Roundup, MT.

Please note the time difference between Berwick, IL and Roundup, MT is 1 hour. The current time in Berwick is 1:59 pm and the current time in Roundup is 12:59 pm.

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Lowest Price Rental Cars in Berwick, IL

Planning on renting a car to go from Berwick, IL to Roundup, MT? Here there are some offers to rent a car in Berwick, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Berwick »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.88 gallons of gas to cover the route between Berwick, IL and Roundup, MT.

The estimated cost of gas to go from Berwick to Roundup is $156.19.

During the route, an average car will release 938.09 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 Berwick, IL and Roundup, MT

If you want to meet halfway between Berwick, IL and Roundup, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.752308 and -99.11154, or 43º 45' 8.3088" N, 99º 6' 41.544" W. This location is 596.12 miles away from Berwick, IL and Roundup, MT and it would take approximately 10 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pukwana, SD, situated 618 miles from Berwick, IL and 578 miles from Roundup, MT. It would take 11 hours 18 mins to go from Berwick to Pukwana and 10 hours 6 mins to go from Roundup to Pukwana.