How far is Mountain Home, ID from Lewiston, ID?
The driving distance from Mountain Home, ID to Lewiston, ID is about 311.7 miles (501.7 km), with a travel time of about 05h 47m by car.
- The straight-line flight distance is about 236 miles (379.8 km).
- For a round trip, plan for roughly 11h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 47m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Valley County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Mountain Home and Lewiston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountain Home and Lewiston.
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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
39.8 mi · 38 min · Vietnam Veterans Memorial Highway
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9
Take the exit slight right toward Cole Road, Overland Road
1061 ft · 26 sec
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10
Keep slight left to continue on Cole Road
71 m · 13 sec
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11
Turn left onto South Cole Road
1.3 km · 2 min · South Cole Road
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12
Continue on North Cole Road
2.6 mi · 6 min · North Cole Road
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13
At the end of the road, turn left onto North Mountain View Drive
1056 ft · 39 sec · North Mountain View Drive
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14
Turn right onto North Glenwood Street
1.7 mi · 4 min · North Glenwood Street
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15
Turn left onto West State Street
2.3 mi · 4 min · West State Street
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16
Take the ramp slight right toward SH-55
156 m · 14 sec
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17
Merge slight left onto North Horseshoe Bend Road
8.8 mi · 12 min · North Horseshoe Bend Road
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18
Continue on Payette River Scenic Byway
5.9 mi · 7 min · Payette River Scenic Byway
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19
Continue on Highway 55
2.4 mi · 3 min · Highway 55
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20
Continue on Horseshoe Bend Road
2105 ft · 30 sec · Horseshoe Bend Road
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21
Continue on Highway 55
16 mi · 24 min · Highway 55
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22
Continue on Horseshoe Bend Road
18.5 mi · 25 min · Horseshoe Bend Road
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23
Continue on Main Street
45.6 mi · 1 hr 2 min · Main Street
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24
Turn left onto Deinhard Lane
1.6 mi · 3 min · Deinhard Lane
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25
Continue on Boydstun Street
1.5 km · 2 min · Boydstun Street
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26
At the end of the road, turn left onto West Lake Street
10.6 mi · 16 min · West Lake Street
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27
Turn right onto North Norris Avenue
76.4 mi · 1 hr 27 min · North Norris Avenue
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28
Turn left onto Johnston Road
2.2 mi · 5 min · Johnston Road
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29
At the end of the road, turn left
67.5 mi · 1 hr 19 min
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30
Keep slight left to continue on Lewiston
1.6 mi · 3 min
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31
Turn right onto Idaho Street
1.2 km · 2 min · Idaho Street
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32
Turn left
32 m · 8 sec
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33
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mountain Home and Lewiston.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Norris Avenue
Turn right onto North Norris Avenue
76.4 mi · 01h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Mountain Home and Sunny near Lewiston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mountain Home to Lewiston?
The road trip is about 311.7 miles (501.7 km) and usually takes 05h 47m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
McCall is a useful midpoint, sitting about 155.7 miles from Mountain Home and 156 miles from Lewiston.
How much longer is the road route than the straight-line distance?
The direct path is about 236 miles (379.8 km), while the road route adds roughly 75.7 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:26 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.82 one way or $85.65 round trip. Estimated CO2 is about 97.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Mountain Home and Lewiston, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Mountain Home and Sunny near Lewiston.
Stop Ideas Near McCall
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 McCall.
McCall, Idaho
Grangeville, Idaho
Flight Path Map
This map shows the direct air route between Mountain Home and Lewiston. Straight-line distance: 236.01 mi (379.82 km).
#1 Mountain Home
City in Elmore, Idaho, United States
| Population | 14,562 |
| Coordinates | 43.1329500, -115.6912000 |
| Altitude | 959 |
| Country | United States |
#2 Lewiston
City in Nez Perce County, Idaho, USA
| Population | 32,788 |
| Coordinates | 46.4165500, -117.0176600 |
| Altitude | 227 |
| Country | United States |
End: Idaho Street (-117.0175, 46.416816)
Estimated Travel Time
Distance: 502 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 23m |
| 40 mph (64.37 km/h) | 07h 47m |
| 50 mph (80.47 km/h) | 06h 14m |
| 60 mph (96.56 km/h) | 05h 11m |
| 70 mph (112.65 km/h) | 04h 27m |
| 80 mph (129 km/h) | 03h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $42.82 | $85.65 |
| Mid-grade | $4.23 | $46.54 | $93.08 |
| Premium | $4.55 | $50.04 | $100.08 |
| Diesel | $5.41 | $59.53 | $119.06 |
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 · Apr 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.