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

Distance from Florence, MT to Opal, SD

Distance

713 mi

Time

13 hours 24 mins

Gas Cost

$66 - $129

There are 572.72 miles from Florence to Opal in southeast direction and 713 miles (1,147.46 kilometers) by car, following the I-90 and US-191 route.

Florence and Opal are 13 hours 24 mins far apart, if you drive non-stop .

This is the fastest route from Florence, MT to Opal, SD.

Florence, MT and Opal, SD are in the same time zone (MDT). Current time in both locations is 4:34 pm.

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Lowest Price Rental Cars in Florence, MT

Planning on renting a car to go from Florence, MT to Opal, SD? 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 28.65 gallons of gas to cover the route between Florence, MT and Opal, SD.

The estimated cost of gas to go from Florence to Opal is $93.46.

During the route, an average car will release 561.35 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 Opal, SD

If you want to meet halfway between Florence, MT and Opal, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.752084 and -108.53749, or 45º 45' 7.5024" N, 108º 32' 14.964" W. This location is 356.72 miles away from Florence, MT and Opal, SD and it would take approximately 6 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Billings, MT, situated 364.08 miles from Florence, MT and 350.67 miles from Opal, SD. It would take 6 hours 6 mins to go from Florence to Billings and 7 hours 22 mins to go from Opal to Billings.