Idaho Falls to West Yellowstone: Road Trip Guide & Distance

94.6 miles 152.3 km · straight line
118.3 miles estimated 190.4 km · driving distance
2h 23min estimated drive time
$11 - $14 estimated fuel cost
~41min flight time · usually no direct flights
29° NNE bearing direction

How far is Idaho Falls from West Yellowstone?

The distance from Idaho Falls to West Yellowstone is 94.6 miles (152.3 km) as the crow flies. West Yellowstone is located NNE of Idaho Falls. By car, the driving distance is approximately 118.3 miles, taking about 2h 23min. A direct flight would take roughly 41min. Both are located in United States — Idaho Falls in Idaho and West Yellowstone in Montana.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Idaho Falls and West Yellowstone. 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 West Yellowstone

Method Time Est. Cost Best For
Drive 2h 23min $11 - $14 Flexible stops
Bus ~2h 52min $9–$18* Budget
Train ~2h 16min $14–$41* Comfort

Suggested Stops Between Idaho Falls & West Yellowstone

Quick Facts

Idaho Falls
43.47°N, 112.03°W
America/Boise
1434m elevation
West Yellowstone
44.66°N, 111.10°W
America/Denver
2028m elevation
Explore more routes from West Yellowstone

Did You Know?

  • At walking speed (3 mph), it would take about 32 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 8 hours
  • You could travel this distance about 263.1 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients