How far is Boise, ID from Lewiston, ID?
The driving distance from Boise, ID to Lewiston, ID is about 267.8 miles (431 km), with a travel time of about 05h 12m by car.
- The straight-line flight distance is about 197.7 miles (318.2 km).
- For a round trip, plan for roughly 10h 25m 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 12m.
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 Shoshone County
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Boise and Lewiston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boise and Lewiston.
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1
Start on the route
36 m · 14 sec
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2
Turn left
39 m · 11 sec
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3
At the end of the road, turn right onto South Capitol Boulevard
849 ft · 34 sec · South Capitol Boulevard
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4
Turn left onto West Idaho Street
3037 ft · 1 min · West Idaho Street
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5
Turn right onto North 15th Street
1019 ft · 30 sec · North 15th Street
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6
Turn left onto West State Street
1.4 km · 2 min · West State Street
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7
Continue on West State Street
656 ft · 20 sec · West State Street
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8
Keep slight left to continue on West State Street
6.1 mi · 11 min · West State Street
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9
Take the ramp slight right toward SH-55
156 m · 14 sec
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10
Merge slight left onto North Horseshoe Bend Road
8.8 mi · 12 min · North Horseshoe Bend Road
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11
Continue on Payette River Scenic Byway
5.9 mi · 7 min · Payette River Scenic Byway
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12
Continue on Highway 55
2.4 mi · 3 min · Highway 55
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13
Continue on Horseshoe Bend Road
2105 ft · 30 sec · Horseshoe Bend Road
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14
Continue on Highway 55
16 mi · 24 min · Highway 55
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15
Continue on Horseshoe Bend Road
18.5 mi · 25 min · Horseshoe Bend Road
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16
Continue on Main Street
45.6 mi · 1 hr 2 min · Main Street
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17
Turn left onto Deinhard Lane
1.6 mi · 3 min · Deinhard Lane
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18
Continue on Boydstun Street
1.5 km · 2 min · Boydstun Street
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19
At the end of the road, turn left onto West Lake Street
10.6 mi · 16 min · West Lake Street
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20
Turn right onto North Norris Avenue
76.4 mi · 1 hr 27 min · North Norris Avenue
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21
Turn left onto Johnston Road
2.2 mi · 5 min · Johnston Road
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22
At the end of the road, turn left
67.5 mi · 1 hr 19 min
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23
Keep slight left to continue on Lewiston
1.6 mi · 3 min
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24
Turn right onto Idaho Street
1.2 km · 2 min · Idaho Street
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25
Turn left
32 m · 8 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Boise and Lewiston.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
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.
Slight Chance Rain Showers leaving Boise and Chance Rain Showers near Lewiston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boise to Lewiston?
The road trip is about 267.8 miles (431 km) and usually takes 05h 12m 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?
Pinehurst is a useful midpoint, sitting about 133.6 miles from Boise and 134.2 miles from Lewiston.
How much longer is the road route than the straight-line distance?
The direct path is about 197.7 miles (318.2 km), while the road route adds roughly 70.1 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 6:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.79 one way or $73.58 round trip. Estimated CO2 is about 84 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Boise and Lewiston, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Boise and Chance Rain Showers near Lewiston.
Stop Ideas Near Pinehurst
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 Pinehurst.
McCall, Idaho
Grangeville, Idaho
Flight Path Map
This map shows the direct air route between Boise and Lewiston. Straight-line distance: 197.71 mi (318.18 km).
#1 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| 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: 431 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 55m |
| 40 mph (64.37 km/h) | 06h 41m |
| 50 mph (80.47 km/h) | 05h 21m |
| 60 mph (96.56 km/h) | 04h 27m |
| 70 mph (112.65 km/h) | 03h 49m |
| 80 mph (129 km/h) | 03h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $36.79 | $73.58 |
| Mid-grade | $4.23 | $39.98 | $79.97 |
| Premium | $4.55 | $42.99 | $85.98 |
| Diesel | $5.41 | $51.14 | $102.29 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.