Helena, Montana to West Yellowstone: Road Trip Guide & Distance

140.8 miles 226.6 km · straight line
176 miles estimated 283.3 km · driving distance
3h 32min estimated drive time
$17 - $21 estimated fuel cost
~47min flight time
161° SSE bearing direction

How far is Helena, Montana from West Yellowstone?

The distance from Helena, Montana to West Yellowstone is 140.8 miles (226.6 km) as the crow flies. West Yellowstone is located SSE of Helena, Montana. By car, the driving distance is approximately 176 miles, taking about 3h 32min. A direct flight would take roughly 47min. Both are located in United States.

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. 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 Helena, Montana 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 Helena, Montana to West Yellowstone

Method Time Est. Cost Best For
Drive 3h 32min $17 - $21 Flexible stops
Fly ~47min $80–200* Speed
Bus ~4h 14min $14–$26* Budget
Train ~3h 21min $21–$62* Comfort

Suggested Stops Between Helena, Montana & West Yellowstone

Quick Facts

Helena, Montana
46.59°N, 112.04°W
America/Denver
1237m 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 47 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 12 hours
  • You could travel this distance about 176.9 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients