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Trip from Boise, ID to Osburn, ID

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 19, 2026 · Editorial standards

Drive Time

9h 3m

Distance

399.9 mi

644 km

Drive Score

9/10

Great drive

Same Day?

2-day trip

Fuel Cost

$62

one way

EV Charging

Unknown

Best Time to Leave

Save up to 25 min
4 AM
8h 55m ★
6 AM
9h 3m
8 AM
9h 20m
10 AM
9h 9m
12 PM
9h 7m
3 PM
9h 10m
5 PM
9h 19m
8 PM
8h 58m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in and state capital of Idaho, United States

Boise, ID

Wikimedia Commons

Downtown Osburn, ID, ID

Osburn, ID

cottonbro studio

Trip Overview

Boise, ID to Osburn, ID is 399.9 miles and takes about 9h 3m via US 95, with a fuel budget near $71 and enough daylight to finish in a day, though it's best as an overnight trip. This route stays within the Mountain West region, connecting two points in Idaho. The drive offers a mixed experience of highway cruising and surface roads. With a recommended two days for the trip, you'll have ample time to enjoy the scenery and make stops along the way. Expect a journey that balances efficiency with the opportunity for exploration.

Trip Pace

Best split across 2 days

Treat the return leg as its own travel day rather than an afterthought.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

200 miles from Boise, ID

A natural place for your longest stop of the day , about 4h 26m into the drive .

Main Roads

Road Distance Duration
North Norris Avenue 76.4 mi 1h 26m
US 95 59.9 mi 1h 9m
Main Street 47.4 mi 1h 5m
I 90 22.6 mi 22m
South Highway 3 21.8 mi 32m
Highway 3 20.2 mi 29m
Horseshoe Bend Road 18.9 mi 25m
Highway 55 18.4 mi 27m
Longest stretch: North Norris Avenue — 76.4 mi, about 1h 26m

Traffic on I-90

Hour-of-day weekday pattern from 8 FHWA count stations on your route.

Peak

3 PM

~536 veh/hr typical · worst 804

Quietest

1 AM

~37 veh/hr

Peak-to-quiet ratio

14.5×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 45 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Boise, ID and Osburn, ID.

1

Start on this road

118 ft · 14 sec · this road
2

Turn left

126 ft · 11 sec
3

At end of road, turn right onto South Capitol Boulevard

0.2 mi · 33 sec · South Capitol Boulevard
4

Turn left onto West Idaho Street

0.6 mi · 1 min · West Idaho Street
Use the left / straight lanes.
5

Turn right onto North 15th Street

0.2 mi · 29 sec · North 15th Street
Use the straight / left / right lanes.
6

Turn left onto West State Street

0.9 mi · 2 min · West State Street
7

Continue on West State Street

0.1 mi · 20 sec · West State Street
8

Keep slight left at fork onto West State Street

6.1 mi · 11 min · West State Street
Use the straight lane.
9

Take the ramp

513 ft · 14 sec
Toward SH-55
10

Merge onto ID 55

8.8 mi · 11 min · North Horseshoe Bend Road
11

Continue on ID 55

5.9 mi · 7 min · Payette River Scenic Byway
12

Continue on ID 55

2.4 mi · 3 min · Highway 55
13

Continue on ID 55

0.4 mi · 29 sec · Horseshoe Bend Road
14

Continue on ID 55

16 mi · 24 min · Highway 55
15

Continue on ID 55

18 mi · 25 min · Horseshoe Bend Road
16

Continue on ID 55

46 mi · 1 hr 1 min · Main Street
17

Turn left onto Deinhard Lane

1.6 mi · 2 min · Deinhard Lane
18

Continue on Boydstun Street

0.9 mi · 1 min · Boydstun Street
19

At end of road, turn left onto ID 55

11 mi · 16 min · West Lake Street
20

Turn right onto US 95

76 mi · 1 hr 26 min · North Norris Avenue
21

Turn left onto Johnston Road

2.2 mi · 5 min · Johnston Road
22

At end of road, turn left onto US 95

60 mi · 1 hr 9 min · US 95
23

Take the exit

0.3 mi · 57 sec
Toward US 12 East
24

Merge onto US 12

4.1 mi · 4 min · US 12
25

Turn left onto ID 3

156 ft · 7 sec · State Highway 3
26

Continue on ID 3

6.3 mi · 11 min · State Highway 3
27

Continue on ID 3

2.4 mi · 4 min · Highway 3
28

Continue on ID 3

0.6 mi · 1 min · Main Street
29

Continue on ID 3

2.9 mi · 5 min · Highway 3
30

Continue on ID 3

1.2 mi · 2 min · Main Street
31

Continue on ID 3

15 mi · 20 min · Highway 3
32

Continue on Wyoming Street

0.4 mi · 55 sec · Wyoming Street
33

At end of road, turn left onto 2nd Avenue

0.6 mi · 1 min · 2nd Avenue
34

Continue on ID 8

0.2 mi · 17 sec · State Highway 8
35

Turn right onto ID 9

13 mi · 18 min · State Highway 9
36

At end of road, turn right onto ID 6

7.7 mi · 10 min · State Highway 6
37

Continue on ID-6

9.3 mi · 16 min · ID-6
38

Continue on ID 6

8.0 mi · 14 min · State Highway 6
39

Keep slight left at fork onto ID 6

0.2 mi · 22 sec · State Highway 6
40

Turn straight onto ID 3

14 mi · 25 min · Highway 3 South
41

Continue on ID 3

0.1 mi · 18 sec · East College Avenue
42

Turn right onto ID 3

522 ft · 8 sec · South 3rd Street
43

Continue on ID 3

11 mi · 15 min · Highway 3 North
44

Continue on ID 3

22 mi · 32 min · South Highway 3
45

Take the ramp

0.2 mi · 28 sec
46

Merge onto I 90

23 mi · 22 min · I 90
47

Take the exit

0.2 mi · 30 sec
Toward I 90 Business: Osburn
48

Turn right onto I 90 Business

0.2 mi · 18 sec · North 3rd Street
49

Arrive at destination

I 90 Business

Trip Plan

Given the 9-hour estimated drive time, splitting this trip over two days is highly recommended. Aim to leave Boise in the morning on your first day, allowing you to cover roughly half the distance and find a comfortable place to stay overnight. Keep an eye on your fuel levels, especially as you move between highway and surface roads, as the longest stretch on a single road type is 76.4 miles. The estimated fuel cost of $71 is a good benchmark for budgeting. Make sure to check local conditions before departing, as weather can impact travel times in this region.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 200 miles from Boise, ID, or about 4h 26m into the drive.
The longest continuous stretch on this route runs about 76.4 miles.

Consider an overnight stop or starting very early.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 88 miles or 2h 6m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 200 miles or 4h 26m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Overnight split

Day 1 wrap after about 200 miles or 4h 26m

Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.

Final approach

Final hour starts around 7h 43m

Traffic, exits, and arrival timing usually matter more near Osburn, ID than in the middle of the route.

Before You Leave

+

Open the route before leaving Boise, ID so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

+

Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.

Day 1

Settle into the route from Boise, ID

Aim for roughly 200 miles and 4.5 hours of wheel time on this day.

Day 2

Finish the approach into Osburn, ID

Aim for roughly 200 miles and 4.5 hours of wheel time on this day.

Your first comfortable stop window is around 88 miles from Boise, ID.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on North Norris Avenue for about 76.4 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

city in Lewis and Idaho counties in Idaho, United States

Mid-route town

Overnight candidate

Kamiah, ID

200 mi into the route

Best for: Hotel check-in, dinner, and a fresh start

This lines up well with a realistic day-end stop if you are breaking the drive into stages.

Find hotels in Kamiah, ID

Overnight Options

Night 1

Kamiah, ID

200 mi · about 4.5h in

A practical overnight split lands near Kamiah, ID after about 200 miles or 4.5 hours of driving.

Find hotels

Pacing Suggestions

Cascade, ID

Fuel and coffee

A short stop after about 88 miles helps settle the day before fatigue starts building.

Kamiah, ID

Meal break

The midpoint is around 200 miles from Boise, ID, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before North Norris Avenue if your tank is already low. That segment runs about 76.4 miles.

Overnight split

Hotel stop

For a steadier pace, wrap day one after about 200 miles or 4.5 hours on the road.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Sheep Creek Rest Stop

0 mi from route

US-95 Winchester Rest Area

0.1 mi from route

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 25

5 decision points cluster between mile 0 and 2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
0 mi into trip | ~0m in

Turn left

Navigation decision point

6
0 mi into trip | ~0m in | South Capitol Boulevard

At end of road, turn right onto South Capitol Boulevard

Complex interchange - multiple decisions in a short stretch

5
0.2 mi into trip | ~0m in | West Idaho Street

Turn left onto West Idaho Street

Lane positioning matters here

Use the left / straight lanes.
6
0.8 mi into trip | ~2m in | North 15th Street

Turn right onto North 15th Street

Lane positioning matters here

Use the straight / left / right lanes.
6
2 mi into trip | ~5m in | West State Street

Keep slight left at fork onto West State Street

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight lane.

Fuel & Cost

Regular Gas

$62.33 one way

$124.66 round trip

$3.96/gal 25.4 MPG avg 140 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.17 $65.70 $131.40
premium $4.47 $70.44 $140.88
diesel $4.80 $75.51 $151.02

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$62

Hotel (1n)

$80–$140

Meals

$50–$100

Total

$192–$302

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 139.9 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $42 in charging · 1 stop · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 120 1 $41.99 $19.20
Efficient EV 100 1 $34.99 $16.00
EV Truck/SUV 160 1 $55.99 $25.59

Gas CO2

140 kg

EV CO2

47 kg (66% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Jul 17, 2026

Origin

Boise, ID

Morning in Boise on Sunday

Local time

9:20 AM

MDT

Current temp

66°F

Mostly Clear

ESE 2 to 6 mph 13% chance Live forecast

Red Flag Warning

Red Flag Warning issued July 16 at 8:50PM PDT until July 17 at 11:00AM PDT by NWS Spokane WA

Special Weather Statement

Special Weather Statement issued July 16 at 9:07PM MDT by NWS Boise ID

Destination

Osburn, ID

Morning in Osburn on Sunday

Local time

8:20 AM

PDT

Current temp

59°F

Chance Showers And Thunderstorms

SE 0 to 3 mph 45% chance Live forecast

Red Flag Warning

Red Flag Warning issued July 16 at 8:50PM PDT until July 17 at 11:00AM PDT by NWS Spokane WA

Special Weather Statement

Special Weather Statement issued July 16 at 9:07PM MDT by NWS Boise ID

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.

Time zone

1 hour earlier

The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.

Temperature spread

7 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

9h 3m on the road

This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

Nez Perce National Historical Park

Nez Perce National Historical Park

National Historical Park

Since time immemorial, the valleys, prairies, mountains, and plateaus of the inland northwest have been home to the nimíipuu (Nez Perce) people. Extremely resilient, they survived the settling of the...

20 mi from route ~51 min detour Free near mile 193.1
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

This drive is 54% highway, meaning you'll spend a good portion of your time on faster roads, but also encounter surface streets. The longest stretch without a major change in road type is 76.4 miles on North Norris Avenue. You'll transition from highway driving to surface roads partway through your trip. Expect a mix of driving experiences, from open highway to more local routes as you approach your destination.

54% highway, the rest on surface roads — varied driving throughout.
49 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 76.4 mi on North Norris Avenue.

How Hard Is This Drive?

6/10

This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 25 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive.

Driving Effort 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 399.9 miles you will encounter 25 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: near the start: Navigation decision point; near the start (South Capitol Boulevard): Complex interchange - multiple decisions in a short stretch; at 0.2 miles (West Idaho Street): Lane positioning matters here.

Elevation Profile

High-altitude sections with notable climbs

4,854 ft 829 ft

Total Climb

6,869 ft

Total Descent

7,047 ft

Highest Point

4,854 ft

~85.7 mi in

Elevation Range

4,026 ft

Notable High Points

4,854 ft at ~85.7 miles +308 ft prominence
3,822 ft at ~228.5 miles +531 ft prominence

About the Cities

Starting in Boise, ID

Full guide →

“City of Trees” · Founded 1863

Boise is the capital and largest city of Idaho. Boise offers numerous recreational opportunities, including extensive hiking and biking in the foothills to the immediate north of downtown. Boise is a regional hub for jazz, theater, and indie music, and is home to several museums.

Top landmarks

  • Idaho State Capitol — Idaho state capitol building in Boise, Idaho, U.S.A.
  • Cathedral of St. John the Evangelist — church in Idaho, United States
  • Morris Hill Cemetery Mausoleum — mausoleum in Morris Hill Cemetery, Boise, Idaho

Arriving in Osburn, ID

Full guide →

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Family Friendly

Moderate complexity with 2 natural rest stops along the way.

Solo Traveler

9h 3m drive, plan rest stops for pacing.

Scenic Drive

Mixed highway & surface route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 76.4 miles on North Norris Avenue. The full list of main roads is in the Roads section above.

Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 200 miles on day one.

Yes — we found about 2 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Osburn, ID before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 2 rest areas along the route for bathroom stops.

Mostly yes along the main roads, but rural stretches through ID can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.

The main spots that need attention: near the start: Navigation decision point; near the start (South Capitol Boulevard): Complex interchange - multiple decisions in a short stretch; at 0.2 miles (West Idaho Street): Lane positioning matters here.

Yes — Nez Perce National Historical Park. See the National Parks section for detour distances and tips on detours.

Not recommended in a single day. At 9.1 hours each way, a round trip means 18.1 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Osburn, ID before the return drive.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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