Idaho Falls to Missoula: Road Trip Guide & Distance

254 miles 408.8 km · straight line
317.5 miles estimated 511 km · driving distance
6h 23min estimated drive time
$31 - $38 estimated fuel cost
~1h 1min flight time
339° NNW bearing direction

How far is Idaho Falls from Missoula?

The distance from Idaho Falls to Missoula is 254 miles (408.8 km) as the crow flies. Missoula is located NNW of Idaho Falls. By car, the driving distance is approximately 317.5 miles, taking about 6h 23min. A direct flight would take roughly 1h 1min. Both are located in United States — Idaho Falls in Idaho and Missoula in Montana.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Idaho Falls and Missoula. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Idaho Falls to Missoula

Method Time Est. Cost Best For
Drive 6h 23min $31 - $38 Flexible stops
Fly ~1h 1min $80–200* Speed
Bus ~7h 40min $25–$48* Budget
Train ~6h 4min $38–$111* Comfort

Suggested Stops Between Idaho Falls & Missoula

Quick Facts

Idaho Falls
43.47°N, 112.03°W
America/Boise
1434m elevation
Missoula
46.87°N, 114.00°W
America/Denver
978m elevation
Explore more routes from Missoula

Did You Know?

  • At walking speed (3 mph), it would take about 85 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 21 hours
  • You could travel this distance about 98 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients