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

Distance from Boulder, MT to Apple River, IL

Distance

1,302 mi

Time

23 hours 37 mins

Gas Cost

$121 - $236

There are 1,113.89 miles from Boulder to Apple River in southeast direction and 1,302 miles (2,095.37 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Apple River are 23 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Apple River, IL. The halfway point is Kadoka, SD.

Please note the time difference between Boulder, MT and Apple River, IL is 1 hour. The current time in Boulder is 12:01 am and the current time in Apple River is 1:01 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Apple River, IL? 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 52.30 gallons of gas to cover the route between Boulder, MT and Apple River, IL.

The estimated cost of gas to go from Boulder to Apple River is $170.59.

During the route, an average car will release 1,024.59 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 Apple River, IL

If you want to meet halfway between Boulder, MT and Apple River, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.853947 and -101.483925, or 43º 51' 14.2092" N, 101º 29' 2.13" W. This location is 651.09 miles away from Boulder, MT and Apple River, IL and it would take approximately 11 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kadoka, SD, situated 690 miles from Boulder, MT and 666 miles from Apple River, IL. It would take 10 hours 36 mins to go from Boulder to Kadoka and 10 hours to go from Apple River to Kadoka.