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

Distance from Roberts, MT to Alpha, IL

Distance

1,182 mi

Time

20 hours 50 mins

Gas Cost

$110 - $214

There are 985.37 miles from Roberts to Alpha in southeast direction and 1,182 miles (1,902.24 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Alpha are 20 hours 50 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Alpha, IL is 1 hour. The current time in Roberts is 1:27 am and the current time in Alpha is 2:27 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Alpha, 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 47.49 gallons of gas to cover the route between Roberts, MT and Alpha, IL.

The estimated cost of gas to go from Roberts to Alpha is $154.90.

During the route, an average car will release 930.37 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 Alpha, IL

If you want to meet halfway between Roberts, MT and Alpha, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.751747 and -99.215243, or 43º 45' 6.2892" N, 99º 12' 54.8748" W. This location is 591.21 miles away from Roberts, MT and Alpha, IL and it would take approximately 10 hours 25 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 579 miles from Roberts, MT and 608 miles from Alpha, IL. It would take 10 hours 13 mins to go from Roberts to Pukwana and 10 hours 46 mins to go from Alpha to Pukwana.