Aspen to West Yellowstone: Road Trip Guide & Distance

437.4 miles 703.9 km · straight line
524.9 miles estimated 844.7 km · driving distance
10h 34min estimated drive time
$51 - $62 estimated fuel cost
~1h 23min flight time
331° NNW bearing direction

How far is Aspen from West Yellowstone?

The distance from Aspen to West Yellowstone is 437.4 miles (703.9 km) as the crow flies. West Yellowstone is located NNW of Aspen. By car, the driving distance is approximately 524.9 miles, taking about 10h 34min. A direct flight would take roughly 1h 23min. Both are located in United States — Aspen in Colorado and West Yellowstone in Montana.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 Aspen 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 Aspen to West Yellowstone

Method Time Est. Cost Best For
Drive 10h 34min $51 - $62 Flexible stops
Fly ~1h 23min $80–200* Speed
Bus ~12h 41min $42–$79* Budget
Train ~10h 2min $63–$184* Comfort

Suggested Stops Between Aspen & West Yellowstone

Quick Facts

Aspen
39.19°N, 106.82°W
America/Denver
2438m 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 146 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 36 hours
  • You could travel this distance about 56.9 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients