How far is Rexburg, ID from American Falls, ID?
The driving distance from Rexburg, ID to American Falls, ID is about 98.1 miles (157.9 km), with a travel time of about 01h 41m by car.
- The straight-line flight distance is about 89.6 miles (144.2 km).
- For a round trip, plan for roughly 03h 22m 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 41m.
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 Bingham County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Rexburg and American Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rexburg and American Falls.
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1
Start on West Main Street
1 mi · 2 min · West Main Street
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2
Continue on West Main Street
128 m · 12 sec · West Main Street
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3
Take the ramp slight left toward US 20
2201 ft · 54 sec
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4
Merge slight left onto Yellowstone Highway
6.9 mi · 7 min · Yellowstone Highway
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5
Continue on Idaho Medal of Honor Highway
15.4 mi · 16 min · Idaho Medal of Honor Highway
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6
Continue on Rigby Highway
3.1 mi · 4 min · Rigby Highway
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7
Merge slight right onto Grandview Drive
575 ft · 14 sec · Grandview Drive
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8
Take the exit slight right toward I 15 South: Arco, Pocatello
1466 ft · 37 sec
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9
Merge slight left onto Veterans Memorial Highway
46.5 mi · 44 min · Veterans Memorial Highway
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10
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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11
Continue straight
21.8 mi · 21 min
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12
Take the exit slight right toward Aberdeen, American Falls
1.1 km · 1 min
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13
Continue on Pocatello Avenue
1.3 km · 1 min · Pocatello Avenue
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14
Continue on Harrison Street
1352 ft · 29 sec · Harrison Street
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15
Turn right onto Fort Hall Avenue
53 m · 13 sec · Fort Hall Avenue
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16
Turn left
53 m · 13 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Rexburg and American Falls.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Veterans Memorial Highway
Merge slight left onto Veterans Memorial Highway
46.5 mi · 00h 44m
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.
Sunny leaving Rexburg and Sunny near American Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rexburg to American Falls?
The road trip is about 98.1 miles (157.9 km) and usually takes 01h 41m 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?
Blackfoot is a useful midpoint, sitting about 49 miles from Rexburg and 49.1 miles from American Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 89.6 miles (144.2 km), while the road route adds roughly 8.5 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 3:08 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.84 one way or $33.69 round trip. Estimated CO2 is about 30.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rexburg and Sunny near American Falls.
Flight Path Map
This map shows the direct air route between Rexburg and American Falls. Straight-line distance: 89.61 mi (144.21 km).
#1 Rexburg
City in and county seat of Madison County, Idaho, United States
| Population | 29,400 |
| Coordinates | 43.8260200, -111.7896900 |
| Altitude | 1483 |
| Country | United States |
#2 American Falls
City in Idaho
| Population | 4,315 |
| Coordinates | 42.7860200, -112.8544400 |
| Altitude | 1343 |
| Country | United States |
End: American Falls (-112.85444, 42.78602)
Estimated Travel Time
Distance: 158 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 16m |
| 40 mph (64.37 km/h) | 02h 27m |
| 50 mph (80.47 km/h) | 01h 57m |
| 60 mph (96.56 km/h) | 01h 38m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.87 | $16.84 | $33.69 |
| Mid-grade | $5.19 | $17.95 | $35.91 |
| Premium | $5.46 | $18.87 | $37.75 |
| Diesel | $6.35 | $21.98 | $43.96 |
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 · Oct 15, 2026