How far is Lewiston, ID from Boise, ID?
The driving distance from Lewiston, ID to Boise, ID is about 267.7 miles (430.8 km), with a travel time of about 05h 15m by car.
- The straight-line flight distance is about 197.7 miles (318.2 km).
- For a round trip, plan for roughly 10h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
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 15m.
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.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Lewiston and Boise.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewiston and Boise.
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1
Start on the route
32 m · 10 sec
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2
Turn right onto Idaho Street
1 km · 2 min · Idaho Street
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3
Turn right onto 19th Street
88 m · 18 sec · 19th Street
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4
Turn left onto 7th Avenue
669 ft · 31 sec · 7th Avenue
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5
At the end of the road, turn left onto 21st Street
103 m · 10 sec · 21st Street
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6
Continue straight
1.6 km · 2 min
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7
Keep slight right to continue on US 95 South: Missoula, Boise
9.3 mi · 11 min
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8
Continue straight
58.6 mi · 1 hr 8 min
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9
Turn right onto Johnston Road
2.2 mi · 5 min · Johnston Road
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10
Turn right
76.4 mi · 1 hr 27 min
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11
Turn left
10.6 mi · 16 min
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12
Turn right onto Boydstun Street
1.5 km · 2 min · Boydstun Street
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13
Continue on East Deinhard Lane
1.6 mi · 3 min · East Deinhard Lane
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14
Turn right onto South 3rd Street
45.6 mi · 1 hr 2 min · South 3rd Street
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15
Continue on ID 55
18.5 mi · 25 min · ID 55
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16
Continue on Highway 55
12.6 mi · 17 min · Highway 55
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17
Continue on Horseshoe Bend Road
1.3 mi · 2 min · Horseshoe Bend Road
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18
Continue on ID 55
2 mi · 5 min · ID 55
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19
Continue on Horseshoe Bend Road
2105 ft · 30 sec · Horseshoe Bend Road
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20
Continue on Highway 55
2.4 mi · 3 min · Highway 55
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21
Continue on Payette River Scenic Byway
5.9 mi · 7 min · Payette River Scenic Byway
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22
Continue on North Horseshoe Bend Road
8.9 mi · 12 min · North Horseshoe Bend Road
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23
Turn left onto East State Street
5.4 mi · 10 min · East State Street
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24
Keep slight right to continue on West State Street
2.4 mi · 6 min · West State Street
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25
Turn right onto North 6th Street
2057 ft · 1 min · North 6th Street
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26
Turn right onto West Front Street
80 m · 8 sec · West Front Street
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27
Turn right
17 m · 4 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lewiston and Boise.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
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.
Chance Rain Showers leaving Lewiston and Slight Chance Rain Showers near Boise.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lewiston to Boise?
The road trip is about 267.7 miles (430.8 km) and usually takes 05h 15m 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 133.7 miles from Lewiston and 134 miles from Boise.
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 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 PDT. If you want a more comfortable same-day return, try to leave by 6:30 AM PDT.
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 Lewiston and Boise, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Lewiston and Slight Chance Rain Showers near Boise.
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 Lewiston and Boise. Straight-line distance: 197.71 mi (318.18 km).
#1 Lewiston
City in Nez Perce County, Idaho, USA
| Population | 32,788 |
| Coordinates | 46.4165500, -117.0176600 |
| Altitude | 227 |
| Country | United States |
#2 Boise
The capital of Idaho.
| Population | 228,959 |
| Coordinates | 43.6135000, -116.2034500 |
| Altitude | 823 |
| Country | United States |
End: (-116.203299, 43.613424)
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.