Star, ID to Hayden, ID is 436.9 miles and takes about 8h 9m via Vietnam Veterans Memorial Highway and US 395, with a fuel budget near $70 and enough daylight to finish in a day if you start early. This trip stays within the Mountain West region, primarily within Idaho. It's a solid option if you're looking for a moderately long drive that balances highway speeds with surface road cruising. With a recommended two days for the trip, you can avoid a very long single day behind the wheel and enjoy the drive more comfortably.
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
218.4 miles from Star, ID
A natural place for your longest stop of the day
, about 3h 59m into the drive
.
Main Roads
Road
Distance
Duration
Vietnam Veterans Memorial Highway
212.7 mi
3h 46m
US 395
131.7 mi
2h 23m
I 90
33.4 mi
38m
McNary Highway
20.4 mi
21m
Umatilla-Stanfield Highway
8.2 mi
9m
West State Street
5.7 mi
9m
Lewis and Clark Trail
4.9 mi
6m
East Main Street
4.1 mi
7m
Longest stretch:
Vietnam Veterans Memorial Highway
— 212.7 mi, about 3h 46m
Traffic on I-84
Hour-of-day weekday pattern from 57 FHWA count stations on your route.
Peak
4 PM
~827 veh/hr typical
· worst 1,050
Quietest
2 AM
~71 veh/hr
Peak-to-quiet ratio
11.6×
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 Star, ID and Hayden, ID.
1
Start on ID 44
5.7 mi·9 min·West State Street
Use the straight lane.
2
Continue on ID 44
0.6 mi·1 min·Star Boulevard
3
Continue on ID 44
4.1 mi·7 min·East Main Street
Use the straight / right lanes.
4
Take the ramp
0.4 mi·56 sec
5
Merge onto I 84; US 30
213 mi·3 hr 46 min·Vietnam Veterans Memorial Highway
Use the straight / slight right lanes.
6
Take the exit onto US 395
0.3 mi·41 sec·US 395
Toward US 395 North: Stanfield, Hermiston
7
Continue on US 395
1.2 mi·1 min·Umatilla-Stanfield Highway
8
Continue on US 395
2.0 mi·2 min·South Main Street
9
Continue on US 395
3.2 mi·3 min·Umatilla-Stanfield Highway
10
Turn right onto Southeast 4th Street
1.6 mi·3 min·Southeast 4th Street
11
Turn left onto East Theater Lane
0.3 mi·41 sec·East Theater Lane
12
Turn right onto US 395
0.5 mi·38 sec·North 1st Street
13
Continue on US 395
3.8 mi·4 min·Umatilla-Stanfield Highway
14
Turn left onto US 395; US 730
0.7 mi·48 sec·Columbia River Highway
Use the straight / left lanes.
15
Take the exit onto US 395
0.2 mi·27 sec·US 395
Toward I 82 West, US 395 North: Kennewick, Yakima
16
Merge onto I 82; US 395
20 mi·21 min·McNary Highway
17
Keep slight right at fork onto US 395
3.3 mi·4 min·Lewis and Clark Trail Highway
Toward US 395 north to I‑182: Kennewick, Pasco, Spokane
18
Continue on US 395
1.1 mi·2 min·South US 395
19
Continue on US 395
4.9 mi·6 min·Lewis and Clark Trail
Use the straight / slight right lanes.
20
Take the exit onto US 395
0.2 mi·21 sec·US 395
Toward US 395 north, SR 397 south (Oregon Street): Spokane, FinleyUse the straight / slight right lanes.
21
Keep slight left at fork onto US 395
0.3 mi·34 sec·US 395
Toward US 395
22
Keep slight right at fork onto US 395
131 mi·2 hr 20 min·US 395
Toward US 395 North: SpokaneUse the slight right lane.
23
Merge onto I 90; US 2; US 395
33 mi·38 min·I 90; US 2; US 395
24
Take the exit
0.2 mi·32 sec
Toward US 95: Sandpoint, Moscow
25
Keep slight left at fork
279 ft·8 sec
26
Turn left onto US 95
3.7 mi·6 min·US 95
27
Turn right onto West Honeysuckle Avenue
0.2 mi·29 sec·West Honeysuckle Avenue
28
Turn left onto North Government Way
1.0 mi·1 min·North Government Way
29
Arrive at destination
North Government Way
Trip Plan
This 436.9-mile drive is best tackled over two days to allow for a more relaxed pace. Plan to leave Star, ID in the morning to maximize daylight. With a total duration of over 8 hours, consider stopping around the halfway point or where it feels natural to rest. Keep an eye on fuel; while the estimated cost is $70, it's always wise to refuel when you see stations, especially before longer stretches like the 212.7 miles on Vietnam Veterans Memorial Highway. Two planned stops are recommended, so use them to break up the drive and stretch your legs.
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 218.4 miles from Star, ID, or about 3h 59m into the drive.
The longest continuous stretch on this route runs about 212.7 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 96 miles or 1h 49m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 218.4 miles or 3h 59m 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 218.4 miles or 3h 59m
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 6h 58m
Traffic, exits, and arrival timing usually matter more near Hayden, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Star, 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 Star, ID
Aim for roughly 218 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Hayden, ID
Aim for roughly 218 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 96 miles from Star, 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 Vietnam Veterans Memorial Highway for about 212.7 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 19
5 decision points cluster between mile 237.2 and 267.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
237.2 mi into trip|~4h 23m in|US 395
Take the exit onto US 395 toward I 82 West, US 395 North: Kennewick, Yakima
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 82 West, US 395 North: Kennewick, Yaki...
6
257.8 mi into trip|~4h 45m in|US 395 / Lewis and Clark Trail Highway
Keep slight right at fork onto US 395 / Lewis and Clark Trail Highway toward US 395 north to I‑182: Kennewick, Pasco, Spokane
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward US 395 north to I‑182: Kennewick, Pasco,...
7
267.1 mi into trip|~4h 59m in|US 395
Take the exit onto US 395 toward US 395 north, SR 397 south (Oregon Street): Spokane, Finley
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward US 395 north, SR 397 south (Oregon Stree...
6
267.3 mi into trip|~4h 59m in|US 395
Keep slight left at fork onto US 395 toward US 395
Highway fork - watch signs carefully
Toward US 395
7
267.5 mi into trip|~5h in|US 395
Keep slight right at fork onto US 395 toward US 395 North: Spokane
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward US 395 North: Spokane
Fuel & Cost
Regular Gas
$68.10 one way
$136.20 round trip
$3.96/gal25.4 MPG avg153 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.17
$71.78
$143.56
premium
$4.47
$76.96
$153.91
diesel
$4.80
$82.49
$164.99
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$68
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$198–$308
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 152.9 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $46 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
131.1
1
$45.87
$20.97
Efficient EV
109.2
1
$38.23
$17.48
EV Truck/SUV
174.8
2
$61.17
$27.96
Gas CO2
153 kg
EV CO2
51 kg (67% 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
Star, ID
Late night
in Star on Sunday
Local time
12:58 AM
MDT
Current temp
62°F
Mostly Clear
SE 2 to 7 mph12% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 6:39PM MDT by NWS Boise ID
Special Weather Statement
Special Weather Statement issued July 16 at 6:23PM MDT by NWS Boise ID
Destination
Hayden, ID
Night
in Hayden on Saturday
Local time
11:58 PM
PDT
Current temp
100°F
Chance Showers And Thunderstorms
NE 5 mph30% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 6:39PM MDT by NWS Boise ID
Special Weather Statement
Special Weather Statement issued July 16 at 6:23PM 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
38 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
8h 9m 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.
More Details
What kind of drive is this?
About 39% of this 436.9-mile route is on highways, meaning you'll experience a mix of faster travel and more local road driving. The longest continuous stretch without a major road change is 212.7 miles on Vietnam Veterans Memorial Highway. Expect to transition from highway speeds to surface roads as you progress. The profile is described as 'Mixed highway & surface,' suggesting you'll notice a change in driving pace and surrounding environment.
39% highway, the rest on surface roads — varied driving throughout.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 212.7 mi on Vietnam Veterans Memorial Highway.
How Hard Is This Drive?
9/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 237.2 miles in near US 395.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 19 significant decision points across 436.9 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 237.2 miles (US 395): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 257.8 miles (US 395 / Lewis and Clark Trail Highway): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 267.1 miles (US 395): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
3,536 ft615 ft
Total Climb
4,059 ft
Total Descent
4,242 ft
Highest Point
3,536 ft
~187.2 mi in
Elevation Range
2,921 ft
Notable High Points
3,536 ft at ~187.2 miles+632 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Star, ID and Hayden, ID, road signs point toward Hermiston, Yakima, Pasco, Spokane and Finley.
The longest stretch is about 212.7 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 218 miles on day one.
Yes — we found about 35 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 Hayden, 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 35 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 237.2 miles (US 395): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 257.8 miles (US 395 / Lewis and Clark Trail Highway): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 267.1 miles (US 395): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Not recommended in a single day. At 8.2 hours each way, a round trip means 16.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Hayden, ID before the return drive.
