Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 33m
Distance
90.1 mi
145 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$14
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Twin Falls, ID
Wikimedia Commons
American Falls, ID
Deep Nature Relaxation
If you are planning a quick getaway across Idaho’s Mountain West, the 90.1-mile trip from Twin Falls to American Falls is an efficient choice. You can comfortably complete this drive in about 1 hour and 33 minutes, making it an ideal day trip that doesn't require an overnight stay. Expect to spend roughly $14 on fuel for the journey, which utilizes a mix of Kimberly Road, the Vietnam Veterans Memorial Highway, and I-86. Because the distance is relatively short, you have the flexibility to explore at your own pace without feeling rushed. This route serves as a straightforward connection between two distinct Idaho hubs, providing a practical way to traverse the region.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
45 miles from Twin Falls, ID
A natural place for your longest stop of the day , about 48m into the drive .
Weekend Trip
Doable as a same-day drive at 1h 33m. Total distance: 90.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 33m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (41%). Straightforward navigation.
This drive offers a mixed-road experience, meaning you won't be stuck on a single type of pavement the entire time. With 41% of the route consisting of highway driving, you will transition between local roads and faster interstate stretches. Your longest uninterrupted segment is 39.1 miles along the Vietnam Veterans Memorial Highway, which allows for consistent cruising. As you move from the initial Kimberly Road segments onto I-86, the pace of the drive shifts noticeably. The profile is balanced enough to keep you engaged behind the wheel while ensuring you reach your destination in under two hours.
Mostly flat terrain
Total Climb
402 ft
Total Descent
0 ft
Highest Point
4,207 ft
~26.3 mi in
Elevation Range
402 ft
This route mixes highway mileage with some local-road sections near the start or finish. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.7 miles in near US 30 / 2nd Avenue South.
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Twin Falls, ID to American Falls, ID is easy. At 1h 33m with 41% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (US 30 / 2nd Avenue South): Navigation decision point; at 11.3 miles (I 84 / Vietnam Veterans Memorial Highway): Merge point - match speed before joining; at 86.8 miles (I 86 Business): 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 left onto US 30 / 2nd Avenue South
Navigation decision point
Merge onto I 84 / Vietnam Veterans Memorial Highway
Merge point - match speed before joining
Take the exit onto I 86 Business toward I 86 Business, ID 37: Rockland, American Falls
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Turn left onto I 86 Business / South Frontage Road
Navigation decision point
Turn left
Navigation decision point
| Road | Distance | Duration |
|---|---|---|
| Vietnam Veterans Memorial Highway | 39.1 mi | 36m |
| I 86 | 36.4 mi | 34m |
| Kimberly Road | 4.9 mi | 7m |
| East 3800 North | 4.2 mi | 5m |
| South Frontage Road | 2.1 mi | 3m |
| Shoshone Street East | 0.7 mi | 1m |
| 2nd Avenue South | 0.7 mi | 1m |
| Fort Hall Avenue | 0.5 mi | 1m |
Step-by-step road directions between Twin Falls, ID and American Falls, ID.
Start on Shoshone Street East
Turn left onto US 30
Continue on US 30
Continue on ID 50
Continue on ID 50
Take the ramp
Merge onto I 84
Continue on I 86; US 30
Take the exit onto I 86 Business
Turn left onto I 86 Business
Continue on I 86 Business
Continue on I 86 Business
Turn left
Arrive at destination
Since this is a manageable 90.1-mile trek, you have the freedom to depart whenever it best fits your schedule without needing a rigid itinerary. You don't have to worry about planning formal stops, as the total duration of 1 hour and 33 minutes is short enough to drive in one go if you prefer. Keep your $14 fuel budget in mind when filling up before you leave Twin Falls to avoid any mid-trip concerns. Because the route relies on a combination of different road types, stay alert for transitions between local stretches and the higher-speed I-86. Taking advantage of the route's simplicity allows you to focus on a smooth, stress-free arrival in American Falls.
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 20 miles or 25m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 45 miles or 48m 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 15m
Traffic, exits, and arrival timing usually matter more near American Falls, ID than in the middle of the route.
Open the route before leaving Twin Falls, ID so your first major turns are already loaded.
Day 1
Settle into the route from Twin Falls, ID
This is one driving day of about 90.1 miles and 1h 33m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 45 mi from Twin Falls, ID · 48m into the drive
Mid-route town
Meal stop
45 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 20 miles helps settle the day before fatigue starts building.
The midpoint is around 45 miles from Twin Falls, ID, which is a good place for a longer meal and fuel stop.
The final approach into American Falls, ID usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$14.28 one way
$28.56 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $14.97 | $29.93 |
| premium | $4.53 | $16.07 | $32.15 |
| diesel | $5.61 | $19.89 | $39.79 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$14
Meals
$25–$50
Total
$39–$64
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 31.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $9 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 27 | 0 | $9.46 | $4.32 |
| Efficient EV | 22.5 | 0 | $7.88 | $3.60 |
| EV Truck/SUV | 36 | 0 | $12.61 | $5.77 |
Gas CO2
32 kg
EV CO2
11 kg (66% 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
Late night in Twin Falls on Friday
Local time
5:56 AM
MDT
Current temp
43°F
Slight Chance Rain Showers
Destination
Late night in American Falls on Friday
Local time
5:56 AM
MDT
Current temp
41°F
Mostly Cloudy
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.
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Elevation is sampled from USGS 3DEP. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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