Sign in
No account yet?
Create accountDrive Time
2h 11m
Distance
128.7 mi
207 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$20
one way
EV Charging
Loading...
station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Twin Falls, ID
Mark Direen
Boise, ID
Brett Sayles
Connecting Twin Falls to Boise, this 128.7-mile journey through the Idaho Mountain West is a straightforward trip that typically takes about 2 hours and 11 minutes. Because of the manageable duration, it functions perfectly as a simple day trip, meaning you won't need to worry about booking an overnight stay unless your schedule demands it. Budgeting around $20 for fuel should be sufficient to cover the distance between these two hubs. You will primarily navigate via the Vietnam Veterans Memorial Highway, North 3000 East Road, and South Broadway Avenue. Overall, this route offers a practical and efficient link between two of Idaho's major regions without requiring a complex itinerary.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
64.3 miles from Twin Falls, ID
A natural place for your longest stop of the day , about 1h 6m into the drive .
Expect a turn-heavy local drive rather than a monotonous interstate cruise, as this route features zero highway share. The vast majority of your time behind the wheel—specifically 118.2 miles—will be spent on the Vietnam Veterans Memorial Highway. This longest stretch defines the journey, requiring you to stay focused as the road transitions from rural segments into the more urbanized approach of South Broadway Avenue. Because the path relies on local roads, you will experience a more direct, grounded feel than you would on a high-speed freeway. Prepare for a drive that demands consistent attention rather than one where you can set the cruise control and zone out.
Gently rolling terrain
Total Climb
735 ft
Total Descent
1,556 ft
Highest Point
3,733 ft
Elevation Range
1,153 ft
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 early in the drive near 11th Avenue East.
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 2h 11m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (11th Avenue East): Navigation decision point; at 0.1 miles (US 93 BUS / Addison Avenue): Sharp turn - reduce speed on approach; at 124.8 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.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto 11th Avenue East
Navigation decision point
Turn sharp right onto US 93 BUS / Addison Avenue
Sharp turn - reduce speed on approach
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
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
Turn right onto US 20; US 26 / South Broadway Avenue
Lane positioning matters here
| Road | Distance | Duration |
|---|---|---|
| Vietnam Veterans Memorial Highway | 118.2 mi | 1h 50m |
| North 3000 East Road | 3.7 mi | 5m |
| South Broadway Avenue | 2.9 mi | 5m |
| Blue Lakes Boulevard North | 2 mi | 4m |
| East Front Street | 0.6 mi | 1m |
| Idaho Medal of Honor Highway | 0.3 mi | <1m |
| Addison Avenue | <0.1 mi | <1m |
| 11th Avenue East | <0.1 mi | <1m |
Step-by-step road directions between Twin Falls, ID and Boise, ID.
Start on Shoshone Street East
Turn right onto 11th Avenue East
Turn sharp right onto US 93 BUS
Turn left onto US 93 BUS
Continue on US 93
Take the exit
Merge onto I 84
Take the exit onto US 20; US 26
Keep slight right at fork onto US 20; US 26
Turn right onto US 20; US 26
Turn left onto US 20; US 26
Turn right
Arrive at destination
Since this is a relatively short drive, you have plenty of flexibility in your schedule, though departing early helps you avoid potential congestion as you near Boise. You won't need to plan for any formal stops along the way, allowing you to complete the 128.7-mile trek in a single push if you prefer. Keep an eye on your fuel gauge before leaving Twin Falls to ensure you stay within your $20 budget, as local road driving can be less fuel-efficient than consistent highway speeds. Given the technical nature of the turn-heavy local roads, prioritize steady navigation over speed. This direct approach makes it easy to manage your arrival time precisely.
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.
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 80 miles or 1h 20m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 64.3 miles or 1h 6m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 44m
Traffic, exits, and arrival timing usually matter more near Boise, ID than in the middle of the route.
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.
Day 1
Settle into the route from Twin Falls, ID
This is one driving day of about 128.7 miles and 2h 11m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 64.3 mi from Twin Falls, ID · 1h 6m into the drive
Mid-route town
Meal stop
64 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 64.3 miles from Twin Falls, ID, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Vietnam Veterans Memorial Highway if your tank is already low. That segment runs about 118.2 miles.
The final approach into Boise, 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 Boise, ID.
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
$20.39 one way
$40.79 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $21.44 | $42.88 |
| premium | $4.53 | $22.95 | $45.90 |
| diesel | $5.64 | $28.59 | $57.19 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$20
Meals
$25–$50
Total
$45–$70
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 45 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $14 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 38.6 | 0 | $13.51 | $6.18 |
| Efficient EV | 32.2 | 0 | $11.26 | $5.15 |
| EV Truck/SUV | 51.5 | 0 | $18.02 | $8.24 |
Gas CO2
45 kg
EV CO2
15 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.
Current conditions at both ends of the drive.
Origin
Evening in Twin Falls on Sunday
Local time
6:52 PM
MDT
Current temp
43°F
Slight Chance Rain Showers
Destination
Evening in Boise on Sunday
Local time
6:52 PM
MDT
Current temp
46°F
Rain Showers Likely
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore more options from Twin Falls, ID or browse trips ending in Boise, ID.
Looking for more statewide routes? Browse ID road trips.
Explore maps for Twin Falls, ID or Boise, ID on MapSof.net.