How far is Mountain Home, ID from Star, ID?
The driving distance from Mountain Home, ID to Star, ID is about 62 miles (99.7 km), with a travel time of about 01h 11m by car.
- The straight-line flight distance is about 55.8 miles (89.8 km).
- For a round trip, plan for roughly 02h 22m 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 11m.
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.
The capital of Idaho.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Fog then Sunny
Driving Route Map
The map below follows the saved road route between Mountain Home and Star.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountain Home and Star.
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1
Start on East 2nd North Street
793 ft · 37 sec · East 2nd North Street
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2
Turn right onto North 2nd East Street
2576 ft · 45 sec · North 2nd East Street
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3
Continue on Old Oregon Trail Highway
2 mi · 3 min · Old Oregon Trail Highway
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4
Continue on Sunset Strip
1.3 km · 1 min · Sunset Strip
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5
Continue on Old Oregon Trail Highway
1002 ft · 17 sec · Old Oregon Trail Highway
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6
Continue on Sunset Strip
1.2 km · 1 min · Sunset Strip
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7
Take the ramp straight
1220 ft · 30 sec
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8
Merge slight left onto Vietnam Veterans Memorial Highway
43.4 mi · 43 min · Vietnam Veterans Memorial Highway
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9
Take the exit slight right toward ID 55 North: Eagle, McCall
2079 ft · 51 sec
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10
Keep slight right to continue on ID 55 North: Eagle, Emmett, Mc Call
108 m · 10 sec
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11
Merge slight left onto South Eagle Road
4.5 mi · 7 min · South Eagle Road
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12
Turn left onto East Chinden Boulevard
7 mi · 10 min · East Chinden Boulevard
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13
Turn right onto North Star Road
2 mi · 4 min · North Star Road
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14
Turn left onto West State Street
14 m · 2 sec · West State Street
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15
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Mountain Home and Star.
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
43.4 mi · 00h 43m
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.
Mostly Sunny leaving Mountain Home and Patchy Fog then Sunny near Star.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mountain Home to Star?
The road trip is about 62 miles (99.7 km) and usually takes 01h 11m 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?
Boise is a useful midpoint, sitting about 30.9 miles from Mountain Home and 31 miles from Star.
How much longer is the road route than the straight-line distance?
The direct path is about 55.8 miles (89.8 km), while the road route adds roughly 6.2 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 4:08 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.58 one way or $21.16 round trip. Estimated CO2 is about 19.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Mountain Home and Patchy Fog then Sunny near Star.
Stop Ideas Near Boise
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 Boise.
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Flight Path Map
This map shows the direct air route between Mountain Home and Star. Straight-line distance: 55.81 mi (89.81 km).
#1 Mountain Home
City in Elmore, Idaho, United States
| Population | 14,562 |
| Coordinates | 43.1329500, -115.6912000 |
| Altitude | 959 |
| Country | United States |
#2 Star
City in Ada County, Idaho, United States
| Population | 10,532 |
| Coordinates | 43.6921100, -116.4934600 |
| Altitude | 753 |
| Country | United States |
End: Star (-116.49346, 43.69211)
Estimated Travel Time
Distance: 100 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 03m |
| 40 mph (64.37 km/h) | 01h 32m |
| 50 mph (80.47 km/h) | 01h 14m |
| 60 mph (96.56 km/h) | 01h 01m |
| 70 mph (112.65 km/h) | 00h 53m |
| 80 mph (129 km/h) | 00h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.85 | $10.58 | $21.16 |
| Mid-grade | $5.14 | $11.20 | $22.40 |
| Premium | $5.41 | $11.79 | $23.58 |
| Diesel | $6.24 | $13.61 | $27.21 |
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 · Sep 17, 2026