How far is Twin Falls, ID from Mountain Home, ID?
The driving distance from Twin Falls, ID to Mountain Home, ID is about 85.4 miles (137.5 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 73.7 miles (118.6 km).
- For a round trip, plan for roughly 02h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 21m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Gooding County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Partly Sunny
Slight Chance Rain Showers then Partly Sunny
Driving Route Map
The map below follows the saved road route between Twin Falls and Mountain Home.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Falls and Mountain Home.
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1
Start on Shoshone Street East
25 m · 4 sec · Shoshone Street East
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2
Turn right onto 11th Avenue East
69 m · 17 sec · 11th Avenue East
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3
Turn sharp right onto Addison Avenue
106 m · 18 sec · Addison Avenue
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4
Turn left onto Blue Lakes Boulevard North
2 mi · 4 min · Blue Lakes Boulevard North
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5
Continue on North 3000 East Road
3.7 mi · 5 min · North 3000 East Road
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6
Take the exit straight toward I 84 West
1.2 km · 2 min
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7
Merge slight left onto Vietnam Veterans Memorial Highway
77.5 mi · 1 hr 13 min · Vietnam Veterans Memorial Highway
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8
Take the exit slight right toward US 20 East, I 84 Business: Mountain Home, Fairfield
1947 ft · 56 sec
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9
Turn left onto Sun Valley Highway
61 m · 3 sec · Sun Valley Highway
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10
Continue on Idaho Medal of Honor Highway
1.5 mi · 2 min · Idaho Medal of Honor Highway
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11
Turn slight left onto East 2nd North Street
592 ft · 26 sec · East 2nd North Street
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12
Arrive at your destination
0 m · 1 sec · East 2nd North Street
Car Route Details
A richer read on the saved driving route between Twin Falls and Mountain Home.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Vietnam Veterans Memorial Highway
Merge slight left onto Vietnam Veterans Memorial Highway
77.5 mi · 01h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers then Partly Sunny leaving Twin Falls and Slight Chance Rain Showers then Partly Sunny near Mountain Home.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Falls to Mountain Home?
The road trip is about 85.4 miles (137.5 km) and usually takes 01h 21m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Bliss is a useful midpoint, sitting about 43.1 miles from Twin Falls and 42.4 miles from Mountain Home.
How much longer is the road route than the straight-line distance?
The direct path is about 73.7 miles (118.6 km), while the road route adds roughly 11.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 3:46 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.72 one way or $23.44 round trip. Estimated CO2 is about 26.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Partly Sunny around Twin Falls and Slight Chance Rain Showers then Partly Sunny near Mountain Home.
Stop Ideas Near Bliss
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bliss.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Twin Falls and Mountain Home. Straight-line distance: 73.73 mi (118.65 km).
#1 Twin Falls
The most populous city in Twin Falls County, Idaho.
| Population | 50,197 |
| Coordinates | 42.5629700, -114.4608700 |
| Altitude | 1138 |
| Country | United States |
#2 Mountain Home
City in Elmore, Idaho, United States
| Population | 14,562 |
| Coordinates | 43.1329500, -115.6912000 |
| Altitude | 959 |
| Country | United States |
End: East 2nd North Street (-115.691267, 43.133031)
Estimated Travel Time
Distance: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 50m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $11.72 | $23.44 |
| Mid-grade | $4.23 | $12.74 | $25.47 |
| Premium | $4.55 | $13.69 | $27.38 |
| Diesel | $5.41 | $16.29 | $32.58 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Idaho · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.