Preston, ID to Lewiston, ID is 571.5 miles and takes about 10h 47m via Vietnam Veterans Memorial Highway and US 95, with a fuel budget near $101 and enough daylight to finish in a day. This is a long-haul drive that stays within Idaho, connecting two points in the Mountain West region. Given the duration, most travelers will want to plan for an overnight stop. The route offers a full day of driving, so consider breaking it up to make the most of your time on the road.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
3 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
285.8 miles from Preston, ID
A natural place for your longest stop of the day
, about 4h 41m into the drive
.
Main Roads
Road
Distance
Duration
Vietnam Veterans Memorial Highway
171.2 mi
2h 41m
North Norris Avenue
76.4 mi
1h 26m
US 95
67.5 mi
1h 18m
I 86
62.7 mi
59m
Main Street
45.6 mi
1h 1m
Veterans Memorial Highway
35.2 mi
34m
North State Street
33.7 mi
41m
Horseshoe Bend Road
18.9 mi
25m
Longest stretch:
Vietnam Veterans Memorial Highway
— 171.2 mi, about 2h 41m
Traffic on I-84
Hour-of-day weekday pattern from 91 FHWA count stations on your route.
Peak
4 PM
~1,890 veh/hr typical
· worst 2,244
Quietest
2 AM
~142 veh/hr
Peak-to-quiet ratio
13.3×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 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 Preston, ID and Lewiston, ID.
1
Start on US 91; ID 36
34 mi·41 min·North State Street
Use the straight lane.
2
Take the ramp onto US 91
0.5 mi·1 min·US 91
3
Merge onto I 15; US 91
35 mi·34 min·Veterans Memorial Highway
4
Take the exit
0.2 mi·13 sec
5
Continue on I 15 BUS
0.2 mi·14 sec·I 15 BUS
6
Take the exit
0.6 mi·1 min
Exit 72Toward I 86 West
7
Continue on I 86
63 mi·59 min·I 86
8
Continue on I 84; US 30
171 mi·2 hr 41 min·Vietnam Veterans Memorial Highway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi·25 sec
Exit 50AToward Cole Road, Overland RoadUse the right lane.
10
Keep slight left at fork
232 ft·12 sec
Toward Cole RoadUse the left / right lanes.
11
Turn left onto South Cole Road
0.8 mi·1 min·South Cole Road
12
Continue on North Cole Road
2.6 mi·5 min·North Cole Road
Use the left lane.
13
At end of road, turn left onto North Mountain View Drive
0.2 mi·39 sec·North Mountain View Drive
14
Turn right onto North Glenwood Street
1.7 mi·3 min·North Glenwood Street
15
Turn left onto ID 44
2.3 mi·3 min·West State Street
16
Take the ramp
513 ft·14 sec
Toward SH-55
17
Merge onto ID 55
8.8 mi·11 min·North Horseshoe Bend Road
18
Continue on ID 55
5.9 mi·7 min·Payette River Scenic Byway
19
Continue on ID 55
2.4 mi·3 min·Highway 55
20
Continue on ID 55
0.4 mi·29 sec·Horseshoe Bend Road
21
Continue on ID 55
16 mi·24 min·Highway 55
22
Continue on ID 55
18 mi·25 min·Horseshoe Bend Road
23
Continue on ID 55
46 mi·1 hr 1 min·Main Street
24
Turn left onto Deinhard Lane
1.6 mi·2 min·Deinhard Lane
25
Continue on Boydstun Street
0.9 mi·1 min·Boydstun Street
26
At end of road, turn left onto ID 55
11 mi·16 min·West Lake Street
27
Turn right onto US 95
76 mi·1 hr 26 min·North Norris Avenue
28
Turn left onto Johnston Road
2.2 mi·5 min·Johnston Road
29
At end of road, turn left onto US 95
67 mi·1 hr 18 min·US 95
Use the straight lane.
30
Keep slight left at fork onto US 12
1.6 mi·3 min·US 12
Toward Lewiston
31
Turn right onto Idaho Street
0.8 mi·2 min·Idaho Street
32
Turn left
105 ft·7 sec
33
Arrive at destination
Trip Plan
Since this is a 10h 47m drive, splitting it over two days is highly recommended. Aim to depart early in the morning to maximize daylight for the first half of your trip. Plan for at least one overnight stop to rest and refuel. Keep an eye on your fuel gauge, especially during the 171.2-mile stretch on the Vietnam Veterans Memorial Highway, as services may be less frequent there. This route is best tackled with a good understanding of your planned overnight location.
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 3 meaningful breaks for fuel, food, and rest.
The halfway point lands around 285.8 miles from Preston, ID, or about 4h 41m into the drive.
The longest continuous stretch on this route runs about 171.2 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 126 miles or 2h 11m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 285.8 miles or 4h 41m 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 285.8 miles or 4h 41m
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 9h 34m
Traffic, exits, and arrival timing usually matter more near Lewiston, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Preston, 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 Preston, ID
Aim for roughly 286 miles and 5.4 hours of wheel time on this day.
Day 2
Finish the approach into Lewiston, ID
Aim for roughly 286 miles and 5.4 hours of wheel time on this day.
Your first comfortable stop window is around 126 miles from Preston, ID.
This route usually feels better as a 2-day drive than as one long push.
Plan about 3 real breaks rather than only quick fuel stops.
The longest stretch is on Vietnam Veterans Memorial Highway for about 171.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 18
5 decision points cluster between mile 69.8 and 569.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
69.8 mi into trip|~1h 17m in
Take the exit toward I 86 West
Exit ramp - move to the correct lane early
Exit 72
Toward I 86 West
8
304.3 mi into trip|~4h 59m in
Take the exit toward Cole Road, Overland Road
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the right lane.
Exit 50A
Toward Cole Road, Overland Road
8
304.5 mi into trip|~4h 59m in
Keep slight left at fork toward Cole Road
Highway fork - watch signs carefully. Lane positioning matters here
Use the left / right lanes.
Toward Cole Road
7
501.7 mi into trip|~9h 23m in|US 95
At end of road, turn left onto US 95
Lane positioning matters here
Use the straight lane.
5
569.2 mi into trip|~10h 42m in|US 12
Keep slight left at fork onto US 12 toward Lewiston
Highway fork - watch signs carefully
Toward Lewiston
Fuel & Cost
Regular Gas
$100.46 one way
$200.93 round trip
$4.47/gal25.4 MPG avg200 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.67
$105.05
$210.11
premium
$4.99
$112.28
$224.55
diesel
$5.35
$120.38
$240.75
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$100
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$230–$340
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 200 kg one way.
Prices: EIA weekly data, 2026-06-01.
Driving Electric?
About $60 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
171.5
2
$60.01
$27.43
Efficient EV
142.9
1
$50.01
$22.86
EV Truck/SUV
228.6
2
$80.01
$36.58
Gas CO2
200 kg
EV CO2
67 kg (67% less)
Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 Jun 1, 2026
Origin
Preston, ID
Afternoon
in Preston on Wednesday
Local time
1:05 PM
MDT
Current temp
39°F
Mostly Cloudy
NNE 6 mph1% chanceLive forecast
Destination
Lewiston, ID
Afternoon
in Lewiston on Wednesday
Local time
12:05 PM
PDT
Current temp
51°F
Mostly Cloudy
SE 2 mph1% chanceLive forecast
53°F
Garden City, ID
189 mi in
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
12 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
10h 47m 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.
Hagerman Fossil Beds National Monument
National Monument
During the Pliocene, this place looked quite different. Lush wetlands, forests, and grasslands provided excellent habitat for a variety of animals. From fascinating, now-extinct creatures like the sab...
10 mi from route
~26 min detour
Free
near mile 216.8
Caution: Use Caution with "Fossil Beds Information" Signs
Caution: If You Can't Reach Us By Phone, Please Email Us
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...
22 mi from route
~55 min detour
Free
near mile 512.4
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive features 26% highway driving, with the longest stretch of highway cruising covering 171.2 miles on the Vietnam Veterans Memorial Highway. After this, you'll transition to surface roads for the remainder of your trip. Expect a mix of open road and more developed areas as you navigate through different parts of Idaho.
26% highway, the rest on surface roads — varied driving throughout.
33 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 171.2 mi on Vietnam Veterans Memorial Highway.
How Hard Is This Drive?
8/10
At 10h 47m, this is a long-haul route where pacing matters more than any single turn. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 69.8 miles in.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 18 significant decision points across 571.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 69.8 miles: Exit ramp - move to the correct lane early; at 304.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 304.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
High-altitude sections with notable climbs
5,086 ft741 ft
Total Climb
3,995 ft
Total Descent
7,968 ft
Highest Point
5,086 ft
~408.2 mi in
Elevation Range
4,345 ft
Notable High Points
4,771 ft at ~40.8 miles+57 ft prominence
5,086 ft at ~408.2 miles+349 ft prominence
3,837 ft at ~530.7 miles+781 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Preston, ID to Lewiston, ID, road signs begin pointing toward Sh-55 along the way.
Lewiston is the county seat of and largest city in Nez Perce County, Idaho. It is the second largest city in the Idaho Panhandle region behind Coeur d'Alene. It sits across the river from Clarkston, Washington. In 2020, Lewiston was home to 34,000 people. Like Pocatello, Lewiston has a strong working-class heritage. Industries related to timber and logging pursuits have long been key to the city's economy. Because the Columbia and later the Snake River are navigable by some ocean-going vessels all the way to Lewiston, the city has the distinction of being Idaho's only port city, and the furthest inland port in the western United States.
Top landmarks
•Nave Apartments — apartment building in Lewiston, United States of America
Long-haul drive route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 171.2 miles on Vietnam Veterans Memorial Highway. 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 286 miles on day one.
Yes — we found about 20 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 Lewiston, 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 3 meaningful breaks. There are 20 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: at 69.8 miles: Exit ramp - move to the correct lane early; at 304.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 304.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Hagerman Fossil Beds National Monument and Nez Perce National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 10.8 hours each way, a round trip means 21.6 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Lewiston, ID before the return drive.
