How far is American Falls, ID from Idaho Falls, ID?
The driving distance from American Falls, ID to Idaho Falls, ID is about 70.6 miles (113.6 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 62.6 miles (100.8 km).
- For a round trip, plan for roughly 02h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 02m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Idaho, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain then Showers And Thunderstorms
Light Rain Likely then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between American Falls and Idaho Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between American Falls and Idaho Falls.
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1
Start on the route
53 m · 15 sec
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2
Turn right onto Fort Hall Avenue
53 m · 13 sec · Fort Hall Avenue
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3
Turn left onto Harrison Street
1352 ft · 27 sec · Harrison Street
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4
Continue on Pocatello Avenue
1.3 km · 1 min · Pocatello Avenue
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5
At the end of the road, turn right onto Pocatello Avenue
2778 ft · 51 sec · Pocatello Avenue
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6
Take the ramp left
1408 ft · 34 sec
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7
Merge slight left
21.8 mi · 21 min
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8
Keep slight left to continue on Idaho Falls
3046 ft · 40 sec
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9
Merge slight right
43.2 mi · 41 min
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10
Take the exit slight right toward I 15 Business, US 26: Ammon, Jackson
1448 ft · 36 sec
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11
Turn right onto West Sunnyside Road
2.6 mi · 4 min · West Sunnyside Road
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12
Turn right onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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13
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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14
Turn left onto Charleston Lane
46 m · 7 sec · Charleston Lane
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15
Arrive at your destination
0 m · 1 sec · Charleston Lane
Car Route Details
A richer read on the saved driving route between American Falls and Idaho Falls.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Pocatello Avenue
Merge slight right
43.2 mi · 00h 41m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Light Rain then Showers And Thunderstorms leaving American Falls and Light Rain Likely then Showers And Thunderstorms near Idaho Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from American Falls to Idaho Falls?
The road trip is about 70.6 miles (113.6 km) and usually takes 01h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Fort Hall is a useful midpoint, sitting about 35.2 miles from American Falls and 35.4 miles from Idaho Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 62.6 miles (100.8 km), while the road route adds roughly 8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:24 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.69 one way or $19.39 round trip. Estimated CO2 is about 22.1 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain then Showers And Thunderstorms around American Falls and Light Rain Likely then Showers And Thunderstorms near Idaho Falls.
Flight Path Map
This map shows the direct air route between American Falls and Idaho Falls. Straight-line distance: 62.63 mi (100.79 km).
#1 American Falls
City in Idaho
| Population | 4,315 |
| Coordinates | 42.7860200, -112.8544400 |
| Altitude | 1343 |
| Country | United States |
#2 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
End: Charleston Lane (-112.034479, 43.46658)
Estimated Travel Time
Distance: 114 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 21m |
| 40 mph (64.37 km/h) | 01h 45m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $9.69 | $19.39 |
| Mid-grade | $4.23 | $10.54 | $21.07 |
| Premium | $4.55 | $11.33 | $22.65 |
| Diesel | $5.41 | $13.48 | $26.95 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Idaho · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.