Trip from Idaho Falls, ID to Mountain Home, ID

Drive Time

3h 22m

Distance

237.3 mi

382 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$38

one way

EV Charging

Loading...

station data

Best Time to Leave

Save up to 36 min

4 AM

3h 11m ★

6 AM

3h 23m

8 AM

3h 47m

10 AM

3h 31m

12 PM

3h 29m

3 PM

3h 32m

5 PM

3h 46m

8 PM

3h 16m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly

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Trip Overview

The drive from Idaho Falls, ID to Mountain Home, ID covers 237.3 miles and takes about 3h 22m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on West Stone Run Lane, Stonebrook Lane, West Sunnyside Road for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $37.60 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

118.6 miles from Idaho Falls, ID

A natural place for your longest stop of the day , about 1h 41m into the drive .

Drive Character

Expect a 3h 22m drive with frequent turns across 237.3 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

West Stone Run Lane is one of the defining roads on this drive.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.

Route Complexity 3/10

Easy - simple navigation with a manageable amount of wheel time

This is a straightforward 3h 22m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

This route does not have any notably tricky sections. Most of the drive from Idaho Falls, ID to Mountain Home, ID is straightforward, with well-signed roads and simple exits.

Main Roads

Road	Distance	Duration
West Stone Run Lane	Unavailable	Refreshing
Stonebrook Lane	Unavailable	Refreshing
West Sunnyside Road	Unavailable	Refreshing
Blackfook	Unavailable	Refreshing
Veterans Memorial Highway	Unavailable	Refreshing
I 86 West	Unavailable	Refreshing
Vietnam Veterans Memorial Highway	Unavailable	Refreshing
US 20 East	Unavailable	Refreshing

Per-road distance and duration are being refreshed from OSRM for this route.

Longest stretch: West Stone Run Lane — detailed segment metrics are refreshing.

Turn-by-Turn Driving Directions

Step-by-step road directions between Idaho Falls, ID and Mountain Home, ID.

1

Start on Charleston Lane

151 ft · 9 sec · Charleston Lane

2

Turn right onto West Stone Run Lane

243 ft · 16 sec · West Stone Run Lane

3

Turn left onto Stonebrook Lane

466 ft · 20 sec · Stonebrook Lane

4

Turn left onto West Sunnyside Road

2.7 mi · 3 min · West Sunnyside Road

5

Take the exit left toward Blackfook, Pocatello, Salt Lake City

0.2 mi · 32 sec · Blackfook, Pocatello, Salt Lake City

6

Merge slight left onto Veterans Memorial Highway

43 mi · 40 min · Veterans Memorial Highway

7

Take the exit slight right toward I 86 West: Chubbuck, Twin Falls

0.6 mi · 44 sec · I 86 West: Chubbuck, Twin Falls

8

Continue straight

63 mi · 59 min

9

Continue on Vietnam Veterans Memorial Highway

126 mi · 1 hr 57 min · Vietnam Veterans Memorial Highway

10

Take the exit slight right toward US 20 East, I 84 Business: Mountain Home, Fairfield

0.4 mi · 56 sec · US 20 East, I 84 Business: Mountain Home, Fairfield

11

Turn left onto Sun Valley Highway

200 ft · 3 sec · Sun Valley Highway

12

Continue on Idaho Medal of Honor Highway

1.5 mi · 2 min · Idaho Medal of Honor Highway

13

Turn slight left onto East 2nd North Street

0.1 mi · 26 sec · East 2nd North Street

14

Arrive at your destination

Trip Plan

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.

Plan roughly 1 meaningful break for fuel, food, and rest.

The halfway point lands around 118.6 miles from Idaho Falls, ID, or about 1h 41m into the drive.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles or 1h 8m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 118.6 miles or 1h 41m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 2h 46m

Traffic, exits, and arrival timing usually matter more near Mountain Home, ID than in the middle of the route.

Before You Leave

+

Open the route before leaving Idaho Falls, ID so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Idaho Falls, ID

This is one driving day of about 237.3 miles and 3h 22m.

Your first comfortable stop window is around 80 miles from Idaho Falls, ID.

This route can stay practical as a one-day drive if traffic stays reasonable.

Plan about 1 real break rather than only quick fuel stops.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 118.6 mi from Idaho Falls, ID · 1h 41m into the drive

Mid-route town

Meal stop

Burley, ID

119 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Pocatello, ID

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Burley, ID

Meal break

The midpoint is around 118.6 miles from Idaho Falls, ID, which is a good place for a longer meal and fuel stop.

Arriving in Mountain Home, ID

The final approach into Mountain Home, ID usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Mountain Home, ID.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$37.60 one way

$75.21 round trip

$4.03/gal 25.4 MPG avg 83 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.23	$39.53	$79.06
premium	$4.53	$42.31	$84.62
diesel	$5.64	$52.72	$105.44

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$38

Meals

$25–$50

Total

$63–$88

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 83 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $25 in charging · 0 stops · 66% less CO₂

Vehicle Type	kWh	Stops	DC Fast	Home Charge
Average EV	71.2	0	$24.92	$11.39
Efficient EV	59.3	0	$20.76	$9.49
EV Truck/SUV	94.9	1	$33.22	$15.19

Gas CO2

83 kg

EV CO2

28 kg (66% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 3 days ago

Origin

Idaho Falls, ID

Evening in Idaho Falls on Sunday

Local time

5:42 PM

MDT

Current temp

38°F

Unavailable

Live forecast

Destination

Mountain Home, ID

Evening in Mountain Home on Sunday

Local time

5:42 PM

MDT

Current temp

64°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

26 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

3h 22m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Idaho Falls, ID to Mountain Home, ID covers 237.3 miles and takes about 3h 22m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are West Stone Run Lane, Stonebrook Lane, West Sunnyside Road. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 118.6 miles from Idaho Falls, ID. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $37.60 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.

Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.

This is a straightforward 3h 22m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.

This route does not have any notably tricky sections. Most of the drive from Idaho Falls, ID to Mountain Home, ID is straightforward, with well-signed roads and simple exits.

The route from Idaho Falls, ID to Mountain Home, ID does not surface many named destination signs beyond the main corridor.

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