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

Distance from Roberts, MT to Olney, MT

Distance

472 mi

Time

8 hours 38 mins

Gas Cost

$43 - $84

There are 337.02 miles from Roberts to Olney in northwest direction and 472 miles (759.61 kilometers) by car, following the I-90 route.

Roberts and Olney are 8 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Roberts, MT to Olney, MT. The halfway point is Butte, MT.

Roberts, MT and Olney, MT are in the same time zone (MDT). Current time in both locations is 5:15 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Olney, MT? 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 18.97 gallons of gas to cover the route between Roberts, MT and Olney, MT.

The estimated cost of gas to go from Roberts to Olney is $60.95.

During the route, an average car will release 371.68 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 $3.21 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roberts, MT and Olney, MT

If you want to meet halfway between Roberts, MT and Olney, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.918396 and -112.419014, or 45º 55' 6.2256" N, 112º 25' 8.4504" W. This location is 236.19 miles away from Roberts, MT and Olney, MT and it would take approximately 4 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Butte, MT, situated 242 miles from Roberts, MT and 259 miles from Olney, MT. It would take 3 hours 27 mins to go from Roberts to Butte and 4 hours 21 mins to go from Olney to Butte.