Traveling from Hailey to Boise covers 141 miles and typically takes about 2 hours and 43 minutes. You will navigate a series of routes including the Idaho Medal of Honor Highway, Sun Valley Highway, and the Vietnam Veterans Memorial Highway. Because the journey is relatively short, it functions perfectly as a straightforward day trip, leaving you with little need to plan for an overnight stay. Expect to spend approximately $22 on fuel for the trek across the Mountain West region. This drive is ideal for those who prefer a manageable travel time over a long-haul interstate haul, offering a practical connection between these two Idaho locations.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
70.5 miles from Hailey, ID
A natural place for your longest stop of the day
, about 1h 26m into the drive
.
Main Roads
Road
Distance
Duration
Idaho Medal of Honor Highway
42.3 mi
49m
Sun Valley Highway
40.8 mi
47m
Vietnam Veterans Memorial Highway
40.1 mi
37m
South Main Street
14.4 mi
21m
South Broadway Avenue
2.9 mi
5m
East Front Street
0.6 mi
1m
Longest stretch:
Idaho Medal of Honor Highway
— 42.3 mi, about 49m
Turn-by-Turn Driving Directions
Step-by-step road directions between Hailey, ID and Boise, ID.
1
Start on ID 75
14 mi·21 min·South Main Street
2
Turn right onto US 20
42 mi·48 min·Idaho Medal of Honor Highway
3
Continue on US 20
41 mi·47 min·Sun Valley Highway
4
Take the ramp onto US 20
0.2 mi·31 sec·Idaho Medal of Honor Highway
Toward I 84 West, US 20 West, US 26 West, US 30 West: Boise
5
Merge onto I 84; US 20; US 26; US 30
40 mi·37 min·Vietnam Veterans Memorial Highway
6
Take the exit onto US 20; US 26
0.3 mi·34 sec·Idaho Medal of Honor Highway
Exit 54Toward US 20, US 26: Broadway Avenue
7
Keep slight right at fork onto US 20; US 26
438 ft·12 sec·Idaho Medal of Honor Highway
Toward US 20, US 26: Boise State University, City Center:Convention CenterUse the slight right lane.
8
Turn right onto US 20; US 26
2.9 mi·5 min·South Broadway Avenue
Use the straight / left / right lanes.
9
Turn left onto US 20; US 26
0.6 mi·1 min·East Front Street
10
Turn right
55 ft·4 sec
11
Arrive at destination
Trip Plan
Given the 2 hour and 43 minute duration, you have plenty of flexibility to plan your departure time around your own schedule. Since you only need to account for one stop, aim to pace your journey to break up the technical sections of the drive. Make sure your vehicle is prepared for a route that prioritizes local roads over high-speed transit. Keep an eye on your fuel levels before departing Hailey, as the $22 estimated cost covers the full trip but local refueling options may vary. Use the flexibility of this short route to enjoy a relaxed pace, as you have plenty of daylight to reach Boise comfortably.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 70.5 miles from Hailey, ID, or about 1h 26m into the drive.
The longest continuous stretch on this route runs about 42.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 31 miles or 40m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 70.5 miles or 1h 26m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 14m
Traffic, exits, and arrival timing usually matter more near Boise, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Hailey, 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.
Day 1
Settle into the route from Hailey, ID
This is one driving day of about 141 miles and 2h 43m.
Your first comfortable stop window is around 31 miles from Hailey, ID.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Idaho Medal of Honor Highway for about 42.3 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 8
5 decision points cluster between mile 14.4 and 137.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
3
14.4 mi into trip|~21m in|US 20 / Idaho Medal of Honor Highway
Turn right onto US 20 / Idaho Medal of Honor Highway
Navigation decision point
6
96.9 mi into trip|~1h 56m in|US 20 / Idaho Medal of Honor Highway
Take the ramp onto US 20 / Idaho Medal of Honor Highway toward I 84 West, US 20 West, US 26 West, US 30 West: Boise
Multiple destination signs - pick the right one
Toward I 84 West, US 20 West, US 26 West, US 30...
6
137.2 mi into trip|~2h 34m in|US 20; US 26 / Idaho Medal of Honor Highway
Take the exit onto US 20; US 26 / Idaho Medal of Honor Highway toward US 20, US 26: Broadway Avenue
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 54
Toward US 20, US 26: Broadway Avenue
9
137.5 mi into trip|~2h 35m in|US 20; US 26 / Idaho Medal of Honor Highway
Keep slight right at fork onto US 20; US 26 / Idaho Medal of Honor Highway toward US 20, US 26: Boise State University, City Center:Convention Center
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward US 20, US 26: Boise State University, Ci...
5
137.6 mi into trip|~2h 35m in|US 20; US 26 / South Broadway Avenue
Turn right onto US 20; US 26 / South Broadway Avenue
Lane positioning matters here
Use the straight / left / right lanes.
Fuel & Cost
Regular Gas
$22.34 one way
$44.69 round trip
$4.03/gal25.4 MPG avg49 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$23.42
$46.84
premium
$4.53
$25.15
$50.30
diesel
$5.61
$31.13
$62.26
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$22
Meals
$25–$50
Total
$47–$72
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 49.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
42.3
0
$14.80
$6.77
Efficient EV
35.3
0
$12.34
$5.64
EV Truck/SUV
56.4
0
$19.74
$9.02
Gas CO2
49 kg
EV CO2
16 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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 Apr 15, 2026
Origin
Hailey, ID
Night
in Hailey on Saturday
Local time
10:14 PM
MDT
Current temp
39°F
Unavailable
Live forecast
Destination
Boise, ID
Night
in Boise on Saturday
Local time
10:14 PM
MDT
Current temp
62°F
Unavailable
Live 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.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
23 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
2h 43m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a turn-heavy local drive that keeps you engaged behind the wheel rather than relying on monotonous highway cruising. This route features no interstate highway miles, focusing instead on local roads that demand your full attention. You will encounter a longest uninterrupted stretch of 42.3 miles while traveling along the Idaho Medal of Honor Highway. As you transition between the various highways, the road character shifts frequently, requiring you to navigate curves rather than just pressing the cruise control. It is a hands-on driving experience that rewards those who enjoy the nuances of regional roads.
Only 0% highway — the rest is turn-by-turn surface driving.
11 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 42.3 mi on Idaho Medal of Honor Highway.
How Hard Is This Drive?
3/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 14.4 miles in near US 20 / Idaho Medal of Honor Highway.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 2h 43m drive. You will face about 8 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 14.4 miles (US 20 / Idaho Medal of Honor Highway): Navigation decision point; at 96.9 miles (US 20 / Idaho Medal of Honor Highway): Multiple destination signs - pick the right one; at 137.2 miles (US 20; US 26 / Idaho Medal of Honor Highway): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
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.
The longest stretch is about 42.3 miles on Idaho Medal of Honor Highway. The full list of main roads is in the Roads section above.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
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 14.4 miles (US 20 / Idaho Medal of Honor Highway): Navigation decision point; at 96.9 miles (US 20 / Idaho Medal of Honor Highway): Multiple destination signs - pick the right one; at 137.2 miles (US 20; US 26 / Idaho Medal of Honor Highway): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Boise, ID before heading back.
