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Create accountDrive Time
10h 6m
Distance
458.4 mi
738 km
Drive Score
9/10
Great drive
Same Day?
2-day trip
Fuel Cost
$73
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Post Falls, ID
Daniil Komov
Hailey, ID
Marta Branco
The drive from Post Falls, ID to Hailey, ID covers 458.4 miles and takes about 10h 6m behind the wheel. It usually feels better as a 2-day road trip than as one long push.
The route leans on I 90, US Highway 93 South, Salmon River Scenic Byway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 169.2 miles on I 90. At current regular gas prices, budget about $72.64 one way before food or hotel costs.
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
229.2 miles from Post Falls, ID
A natural place for your longest stop of the day , about 4h 19m into the drive .
This is a 10h 6m highway drive covering 458.4 miles, with most of the trip on I 90 and US Highway 93 South. The longest continuous stretch is about 169.2 miles on I 90.
This is a straightforward highway drive that stays mostly on I 90 and US Highway 93 South. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.2 miles in near North Spokane Street.
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 458.4 miles you will encounter 11 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: at 0.2 miles (North Spokane Street): Navigation decision point; at 170.2 miles (I 90 Business; US 93): Exit ramp - move to the correct lane early; at 170.4 miles (I 90 Bus; US 93 / North Reserve Street): Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto North Spokane Street
Navigation decision point
Take the exit onto I 90 Business; US 93 toward US 93 South: Hamilton
Exit ramp - move to the correct lane early
Turn right onto I 90 Bus; US 93 / North Reserve Street
Lane positioning matters here
Turn right onto Brooks Street
Lane positioning matters here
Turn right
Navigation decision point
| Road | Distance | Duration |
|---|---|---|
| I 90 | 169.2 mi | 2h 56m |
| US Highway 93 South | 128.1 mi | 2h 48m |
| Salmon River Scenic Byway | 96.4 mi | 2h 3m |
| Trail Creek Road | 36.3 mi | 1h 27m |
| North Main Street | 11.8 mi | 17m |
| North Reserve Street | 5.3 mi | 9m |
| Bitteroot Road | 3 mi | 3m |
| Old Chilly Road | 2.7 mi | 6m |
Step-by-step road directions between Post Falls, ID and Hailey, ID.
Start on West 10th Avenue
Turn right onto North Spokane Street
Turn left
Merge onto I 90
Take the exit onto I 90 Business; US 93
Turn right onto I 90 Bus; US 93
Turn right onto Brooks Street
Continue on US 12; US 93
Continue on US 12; US 93
Continue on US 93
Turn left onto US 93
Continue on US 93
Turn right onto US 93
Continue on US 93
Turn right
Continue on Old Chilly Road
Turn right onto Trail Creek Road
Continue on ID 75 Spur
Turn left onto ID 75
Arrive at destination
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.
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 101 miles or 1h 47m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 229.2 miles or 4h 19m 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 229.2 miles or 4h 19m
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 59m
Traffic, exits, and arrival timing usually matter more near Hailey, ID than in the middle of the route.
Open the route before leaving Post 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 Post Falls, ID
Aim for roughly 229 miles and 5.1 hours of wheel time on this day.
Day 2
Finish the approach into Hailey, ID
Aim for roughly 229 miles and 5.1 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 229.2 mi from Post Falls, ID · 4h 19m into the drive
Mid-route town
Overnight candidate
229 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 Salmon, IDNight 1
229 mi · about 5.1h in
A practical overnight split lands near Salmon, ID after about 229 miles or 5.1 hours of driving.
Find hotelsA short stop after about 101 miles helps settle the day before fatigue starts building.
The midpoint is around 229.2 miles from Post Falls, ID, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 90 if your tank is already low. That segment runs about 169.2 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 229 miles or 5.1 hours on the road.
The final approach into Hailey, ID usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Hailey, ID.
On a multi-day trip, keep the last day a little lighter so you reach Hailey, ID with some flexibility left in the schedule.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$72.64 one way
$145.28 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $76.36 | $152.72 |
| premium | $4.53 | $81.74 | $163.47 |
| diesel | $5.64 | $101.84 | $203.68 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$73
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$203–$313
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 160.4 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $48 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 137.5 | 1 | $48.13 | $22.00 |
| Efficient EV | 114.6 | 1 | $40.11 | $18.34 |
| EV Truck/SUV | 183.4 | 2 | $64.18 | $29.34 |
Gas CO2
160 kg
EV CO2
54 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.
Current conditions at both ends of the drive.
Origin
Evening in Post Falls on Sunday
Local time
5:48 PM
PDT
Current temp
43°F
Partly Cloudy
Destination
Evening in Hailey on Sunday
Local time
6:48 PM
MDT
Current temp
33°F
Unavailable
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
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
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