Driving
Longmont to Boise
Updated: 01 Jun 2026
The drive from Longmont to Boise is approximately 800 miles. You will head north through Wyoming before cutting west across the high desert of southern Idaho. The drive takes about 12 hours. You will pass through scenic mountain passes and vast open spaces. This route is perfect for those who enjoy dramatic landscapes.
Total Distance: 1285 km driving distance, 950 km straight-line air distance.
Fastest Way
Driving takes 12 hours via the most direct highway route.
Cheapest Way
Driving is the most practical way to reach Boise.
Compare Longmont to Boise Routes
Driving
Direct
Duration
12 hours
Avg Price
$150-$220 in fuel
Operator
Personal Vehicle
Route
I-80 West to I-84 West.
The stretch through Wyoming can be very windy; keep both hands on the wheel.
Travel Tips
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Rest StopsPlan your stops in larger towns like Rock Springs or Twin Falls.
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Speed LimitsObserve the speed limits, especially in mountain areas.
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SnacksPack plenty of water and food for the long drive.
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NavigationUse a GPS, but be aware of potential signal loss in remote areas.
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TimingStart your drive early to avoid arriving in Boise at night.
Safety Tips
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WeatherBe prepared for sudden weather changes in the mountains.
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Road ConditionsWatch for wildlife on the road, especially at night.
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EmergencyCarry a winter emergency kit in your vehicle.
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CommunicationEnsure your phone is charged for navigation.
People Also Ask
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Is Boise a nice city?Yes, it is known for its outdoor recreation and friendly people.
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How long is the drive?It takes about 12 hours.
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Are there tolls?No, this route is toll-free.
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What is the best route?I-80 to I-84 is the most direct.
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Is it safe?Yes, the highways are well-maintained.
Quick Info
- From Longmont, Colorado, United States
- To Boise, Idaho, United States
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Modes
Best Time to Travel
Summer or early fall to avoid winter snow in the mountain passes.
Things to Do in Boise
1
Boise River Greenbelt
Enjoy a scenic walk or bike ride along this 25-mile path that follows the river.
2
Idaho State Capitol
Tour the beautiful capitol building with its impressive dome and historic architecture.
3
Basque Block
Experience the unique culture and food of the Basque community in downtown Boise.
4
Table Rock
Hike to the top of this landmark for panoramic views of the city and valley.
Tags
Longmont to Boise drive
I-80 to I-84 route
traveling to Boise
Colorado to Idaho
best way to Boise
Longmont travel
Boise transport
driving to Idaho
