Billings to Idaho Falls: Road Trip Guide & Distance

236.2 miles 380.1 km · straight line
295.2 miles estimated 475.1 km · driving distance
5h 56min estimated drive time
$28 - $35 estimated fuel cost
~59min flight time
229° SW bearing direction

How far is Billings from Idaho Falls?

The distance from Billings to Idaho Falls is 236.2 miles (380.1 km) as the crow flies. Idaho Falls is located SW of Billings. By car, the driving distance is approximately 295.2 miles, taking about 5h 56min. A direct flight would take roughly 59min. Both are located in United States — Billings in Montana and Idaho Falls in Idaho.

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 Billings and Idaho Falls. 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 Billings to Idaho Falls

Method Time Est. Cost Best For
Drive 5h 56min $28 - $35 Flexible stops
Fly ~59min $80–200* Speed
Bus ~7h 7min $24–$44* Budget
Train ~5h 38min $35–$103* Comfort

Suggested Stops Between Billings & Idaho Falls

Quick Facts

Billings
45.78°N, 108.50°W
America/Denver
952m elevation
Idaho Falls
43.47°N, 112.03°W
America/Boise
1434m elevation
Explore more routes from Idaho Falls

Did You Know?

  • At walking speed (3 mph), it would take about 79 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 20 hours
  • You could travel this distance about 105.4 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients