How far is Boise, ID from Mountain Home, ID?
The driving distance from Boise, ID to Mountain Home, ID is about 43.6 miles (70.2 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 42 miles (67.6 km).
- For a round trip, plan for roughly 01h 31m 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 00h 45m.
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 Ada County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Boise and Mountain Home.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boise and Mountain Home.
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1
Start on the route
36 m · 11 sec
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2
Turn right
80 m · 21 sec
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3
Turn right onto South 6th Street
849 ft · 39 sec · South 6th Street
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4
Turn left onto West Myrtle Street
1 km · 1 min · West Myrtle Street
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5
Turn right onto South Broadway Avenue
2.8 mi · 6 min · South Broadway Avenue
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6
Take the ramp left toward I 84 East
2049 ft · 46 sec · Idaho Medal of Honor Highway
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7
Continue on Vietnam Veterans Memorial Highway
35.2 mi · 33 min · Vietnam Veterans Memorial Highway
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8
Take the exit slight right toward I 84 Business: Mountain Home, Bruneau
4.1 mi · 6 min
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9
Turn left onto American Legion Boulevard
1010 ft · 23 sec · American Legion Boulevard
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10
Turn right onto North 4th East Street
114 m · 22 sec · North 4th East Street
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11
Turn left onto East 2nd North Street
36 m · 5 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 Boise 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
Continue on Vietnam Veterans Memorial Highway
35.2 mi · 00h 33m
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.
Sunny leaving Boise and Sunny near Mountain Home.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boise to Mountain Home?
The road trip is about 43.6 miles (70.2 km) and usually takes 00h 45m 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?
Garden City is a useful midpoint, sitting about 21.8 miles from Boise and 21.8 miles from Mountain Home.
How much longer is the road route than the straight-line distance?
The direct path is about 42 miles (67.6 km), while the road route adds roughly 1.6 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 4:58 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.00 one way or $11.99 round trip. Estimated CO2 is about 13.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Boise and Sunny near Mountain Home.
Stop Ideas Near Garden City
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 Garden City.
Boise, Idaho
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Flight Path Map
This map shows the direct air route between Boise and Mountain Home. Straight-line distance: 42 mi (67.6 km).
#1 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| 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: 70 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 27m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.00 | $11.99 |
| Mid-grade | $4.23 | $6.52 | $13.03 |
| Premium | $4.55 | $7.01 | $14.01 |
| Diesel | $5.41 | $8.33 | $16.67 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.