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

Distance from Florence, MT to Irwin, ID

Distance

369 mi

Time

6 hours 18 mins

Gas Cost

$34 - $67

There are 260.79 miles from Florence to Irwin in southeast direction and 369 miles (593.85 kilometers) by car, following the I-15 route.

Florence and Irwin are 6 hours 18 mins far apart, if you drive non-stop .

This is the fastest route from Florence, MT to Irwin, ID.

Florence, MT and Irwin, ID are in the same time zone (MDT). Current time in both locations is 2:00 pm.

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Lowest Price Rental Cars in Florence, MT

Planning on renting a car to go from Florence, MT to Irwin, ID? 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 14.81 gallons of gas to cover the route between Florence, MT and Irwin, ID.

The estimated cost of gas to go from Florence to Irwin is $48.30.

During the route, an average car will release 290.12 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 Florence, MT and Irwin, ID

If you want to meet halfway between Florence, MT and Irwin, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.322705 and -112.685368, or 45º 19' 21.738" N, 112º 41' 7.3248" W. This location is 184.36 miles away from Florence, MT and Irwin, ID and it would take approximately 3 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dillon, MT, situated 191 miles from Florence, MT and 180 miles from Irwin, ID. It would take 3 hours 11 mins to go from Florence to Dillon and 3 hours 12 mins to go from Irwin to Dillon.