Distance between cities › USA › Montana › Boulder, MT › Distance from Boulder to Salt Lake City International Airport Book Hotels

Distance from Boulder, MT to SLC Airport

Distance

454 mi

Time

7 hours 28 mins

Gas Cost

$42 - $82

Helpful Inaccurate

There are 376.40 miles from Boulder to Salt Lake City International Airport (SLC) in south direction and 454 miles (730.64 kilometers) by car, following the I-15 route.

Boulder and SLC Airport are 7 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to SLC Airport. The halfway point is Roberts, ID.

Boulder, MT and SLC Airport are in the same time zone (MDT). Current time in both locations is 11:59 pm.

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Lowest Price Rental Cars in Boulder, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Boulder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.25 gallons of gas to cover the route between Boulder, MT and SLC Airport.

The estimated cost of gas to go from Boulder to SLC Airport is $59.53.

During the route, an average car will release 357.56 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 Boulder, MT and SLC Airport

If you want to meet halfway between Boulder, MT and SLC Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.720436 and -112.136612, or 43º 43' 13.5696" N, 112º 8' 11.8032" W. This location is 227.22 miles away from Boulder, MT and SLC Airport and it would take approximately 3 hours 44 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Roberts, ID, situated 227 miles from Boulder, MT and 233 miles from SLC Airport. It would take 4 hours 4 mins to go from Boulder to Roberts and 3 hours 47 mins to go from SLC to Roberts.