Distance between cities › USA › Montana › Florence, MT › Distance from Florence to Boulder Book Hotels

Distance from Florence, MT to Boulder, MT

Distance

163 mi

Time

2 hours 56 mins

Gas Cost

$15 - $29

There are 97.15 miles from Florence to Boulder in southeast direction and 163 miles (262.32 kilometers) by car, following the I-90 and US-12 and MT 200 route.

Florence and Boulder are 2 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Florence, MT to Boulder, MT. The halfway point is Gold Creek, MT.

Florence, MT and Boulder, MT are in the same time zone (MDT). Current time in both locations is 8:14 am.

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Lowest Price Rental Cars in Florence, MT

Planning on renting a car to go from Florence, MT to Boulder, MT? Here there are some offers to rent a car in Florence, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Florence »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 6.55 gallons of gas to cover the route between Florence, MT and Boulder, MT.

The estimated cost of gas to go from Florence to Boulder is $21.03.

During the route, an average car will release 128.25 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 Florence, MT and Boulder, MT

If you want to meet halfway between Florence, MT and Boulder, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.598343 and -112.942307, or 46º 35' 54.0348" N, 112º 56' 32.3052" W. This location is 81.50 miles away from Florence, MT and Boulder, MT and it would take approximately 1 hour 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gold Creek, MT, situated 89 miles from Florence, MT and 90 miles from Boulder, MT. It would take 1 hour 42 mins to go from Florence to Gold Creek and 1 hour 52 mins to go from Boulder to Gold Creek.