Twin Falls, ID to Pinehurst, ID is 605.5 miles and takes about 9h 52m via I 86 and I 90, with a fuel budget near $102 and an overnight recommendation. This long-haul drive stays within the Mountain West region, traversing the state of Idaho. Expect a predominantly highway experience for most of the trip, making it a straightforward but lengthy transit. Given the 9h 52m estimated drive time, splitting this into two days is a practical approach to avoid fatigue.
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
302.7 miles from Twin Falls, ID
A natural place for your longest stop of the day
, about 4h 51m into the drive
.
Main Roads
Road
Distance
Duration
I 90
245.6 mi
4h 4m
I 15 BUS
244.5 mi
3h 49m
I 86
62.7 mi
59m
Vietnam Veterans Memorial Highway
39.1 mi
36m
Kimberly Road
4.9 mi
7m
East 3800 North
4.2 mi
5m
Shoshone Street East
0.7 mi
1m
2nd Avenue South
0.7 mi
1m
Longest stretch:
I 90
— 245.6 mi, about 4h 4m
Traffic on I-15
Hour-of-day weekday pattern from 68 FHWA count stations on your route.
Peak
4 PM
~680 veh/hr typical
· worst 892
Quietest
2 AM
~41 veh/hr
Peak-to-quiet ratio
16.6×
busier at peak than in the quiet hours
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Averaged across 104 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 Twin Falls, ID and Pinehurst, ID.
1
Start on Shoshone Street East
0.7 mi·1 min·Shoshone Street East
2
Turn left onto US 30
0.7 mi·1 min·2nd Avenue South
3
Continue on US 30
4.9 mi·7 min·Kimberly Road
4
Continue on ID 50
4.2 mi·5 min·East 3800 North
5
Continue on ID 50
0.4 mi·27 sec·ID 50
6
Take the ramp
0.4 mi·53 sec
7
Merge onto I 84
39 mi·36 min·Vietnam Veterans Memorial Highway
8
Continue on I 86; US 30
63 mi·59 min·I 86; US 30
9
Keep slight left at fork
0.6 mi·40 sec
Toward Idaho Falls
10
Merge onto I 15 BUS
244 mi·3 hr 49 min·I 15 BUS
11
Take the exit
0.5 mi·1 min
Toward I 90 West: Missoula
12
Merge onto I 90
246 mi·4 hr 4 min·I 90
Toward I 90 West: Missoula
13
Take the exit
0.2 mi·28 sec
Toward Pinehurst
14
Turn left onto Old Highway 10
322 ft·8 sec·Old Highway 10
15
Continue on North Division Street
0.7 mi·1 min·North Division Street
16
Turn right onto Main Street
0.2 mi·25 sec·Main Street
17
Arrive at destination
Main Street
Trip Plan
With a total duration of nearly 10 hours, plan for an overnight stop to break up the driving. Aim to depart Twin Falls in the morning to maximize daylight for your first leg. Consider stopping for the night around the halfway point to make the second day more manageable. Watch your fuel levels, especially during the longer stretches on I 90, as services can be spaced out. The second day will involve navigating more local roads as you approach Pinehurst.
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 302.7 miles from Twin Falls, ID, or about 4h 51m into the drive.
The longest continuous stretch on this route runs about 245.6 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 133 miles or 2h 11m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 302.7 miles or 4h 51m 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 302.7 miles or 4h 51m
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 8h 50m
Traffic, exits, and arrival timing usually matter more near Pinehurst, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Twin Falls, 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 Twin Falls, ID
Aim for roughly 303 miles and 4.9 hours of wheel time on this day.
Day 2
Finish the approach into Pinehurst, ID
Aim for roughly 303 miles and 4.9 hours of wheel time on this day.
Your first comfortable stop window is around 133 miles from Twin Falls, 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 I 90 for about 245.6 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 9
5 decision points cluster between mile 0.7 and 604.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.7 mi into trip|~1m in|US 30 / 2nd Avenue South
Turn left onto US 30 / 2nd Avenue South
Navigation decision point
5
113.1 mi into trip|~1h 53m in
Keep slight left at fork toward Idaho Falls
Highway fork - watch signs carefully
Toward Idaho Falls
4
358.2 mi into trip|~5h 43m in
Take the exit toward I 90 West: Missoula
Exit ramp - move to the correct lane early
Toward I 90 West: Missoula
4
358.7 mi into trip|~5h 44m in|I 90
Merge onto I 90 toward I 90 West: Missoula
Merge point - match speed before joining
Toward I 90 West: Missoula
4
604.3 mi into trip|~9h 49m in
Take the exit toward Pinehurst
Exit ramp - move to the correct lane early
Toward Pinehurst
Fuel & Cost
Regular Gas
$109.06 one way
$218.12 round trip
$4.58/gal25.4 MPG avg212 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.78
$113.90
$227.80
premium
$5.11
$121.72
$243.44
diesel
$6.18
$147.30
$294.60
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$109
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$239–$349
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 211.9 kg one way.
Prices: EIA weekly data, 2026-10-12.
Driving Electric?
About $64 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
181.7
2
$63.58
$29.06
Efficient EV
151.4
1
$52.98
$24.22
EV Truck/SUV
242.2
3
$84.77
$38.75
Gas CO2
212 kg
EV CO2
71 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 Oct 19, 2026
Origin
Twin Falls, ID
Late night
in Twin Falls on Tuesday
Local time
2:25 AM
MDT
Current temp
43°F
Clear
E 7 mph0% chanceLive forecast
Destination
Pinehurst, ID
Late night
in Pinehurst on Tuesday
Local time
1:25 AM
PDT
Current temp
37°F
Mostly Cloudy
NE 1 mph2% chanceLive forecast
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
6 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 52m 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...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is primarily highway driving, with 91% of the total distance covered on interstates. You'll encounter a longest stretch of 245.6 miles on I 90 before needing to navigate potentially slower surface roads. The transition from high-speed interstate to local routes will occur around mile 550. Expect steady cruising for the majority of the trip, punctuated by the typical exit and entrance ramps of major highways.
91% highway — fuel and pacing are the main things to plan.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 245.6 mi on I 90.
How Hard Is This Drive?
4/10
This is a straightforward highway drive that stays mostly on I 90 and I 15 BUS. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.7 miles in near US 30 / 2nd Avenue South.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 9h 52m, endurance matters. Plan breaks every 2-3 hours. The 9 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (US 30 / 2nd Avenue South): Navigation decision point; at 113.1 miles: Highway fork - watch signs carefully; at 358.2 miles: Exit ramp - move to the correct lane early.
Elevation Profile
High-altitude sections with notable climbs
6,027 ft2,222 ft
Total Climb
3,471 ft
Total Descent
4,982 ft
Highest Point
6,027 ft
~259.5 mi in
Elevation Range
3,805 ft
Notable High Points
6,027 ft at ~259.5 miles+482 ft prominence
5,900 ft at ~346 miles+782 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 Twin Falls, ID to Pinehurst, ID, road signs begin pointing toward Idaho Falls along the way.
Twin Falls is the largest city in South Central Idaho and the seventh-largest city in the state. The geology of the Magic Valley is also notable, considering that it once sat atop the hotspot that is under Yellowstone National Park. There are dormant shield volcanoes littered everywhere, and basalt as far as the eye can see, making this a prime spot for anyone interested in geological history. Its proximity to outdoor activities and to casino gaming in nearby Nevada give it a regional tourist flair.
Top landmarks
•Twin Falls Downtown Historic District — historic district in Idaho, United States
•Twin Falls Original Townsite Residential Historic District — historic district in Idaho, USA
•Burton Morse House — single-family detached home in Twin Falls, Idaho
The longest stretch is about 245.6 miles on I 90. 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 303 miles on day one.
Yes — we found about 28 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 is a long drive, so arriving tired and in the dark compounds. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Pinehurst, 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 28 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 0.7 miles (US 30 / 2nd Avenue South): Navigation decision point; at 113.1 miles: Highway fork - watch signs carefully; at 358.2 miles: Exit ramp - move to the correct lane early.
Yes — Hagerman Fossil Beds National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 9.9 hours each way, a round trip means 19.7 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Pinehurst, ID before the return drive.
