How far is Idaho Falls, ID from Salmon, ID?
The driving distance from Idaho Falls, ID to Salmon, ID is about 163.5 miles (263.1 km), with a travel time of about 03h 22m by car.
- The straight-line flight distance is about 149.7 miles (240.9 km).
- For a round trip, plan for roughly 06h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 22m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Widespread Frost then Sunny
Driving Route Map
The map below follows the saved road route between Idaho Falls and Salmon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Salmon.
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1
Start on Charleston Lane
46 m · 9 sec · Charleston Lane
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2
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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3
Turn left onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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4
Continue on South Boulevard
1.6 km · 3 min · South Boulevard
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5
Turn left onto East 17th Street
3012 ft · 53 sec · East 17th Street
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6
Continue on Pancheri Drive
1964 ft · 47 sec · Pancheri Drive
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7
Turn right onto South Utah Avenue
776 ft · 16 sec · South Utah Avenue
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8
Enter the roundabout and take exit 2 toward South Utah Avenue
68 m · 4 sec · South Utah Avenue
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9
Exit the roundabout onto South Utah Avenue
2440 ft · 58 sec · South Utah Avenue
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10
Turn left onto West Broadway Street
1513 ft · 35 sec · West Broadway Street
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11
Take the ramp right toward I15 North: Roberts, Butte
1128 ft · 28 sec
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12
Merge slight left onto Veterans Memorial Highway
23.9 mi · 23 min · Veterans Memorial Highway
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13
Take the exit slight right toward ID 33: Rexburg, Salmon
1263 ft · 35 sec
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14
Turn left onto East 1500 North
15.3 mi · 23 min · East 1500 North
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15
Turn right onto North Salmon Highway
120.8 mi · 2 hr 29 min · North Salmon Highway
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16
Turn left onto South Saint Charles Street
63 m · 9 sec · South Saint Charles Street
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17
Arrive at your destination
0 m · 1 sec · South Saint Charles Street
Car Route Details
A richer read on the saved driving route between Idaho Falls and Salmon.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Salmon Highway
Turn right onto North Salmon Highway
121 mi · 02h 29m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Idaho Falls and Widespread Frost then Sunny near Salmon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Salmon?
The road trip is about 163.5 miles (263.1 km) and usually takes 03h 22m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Leadore is a useful midpoint, sitting about 81.7 miles from Idaho Falls and 81.8 miles from Salmon.
How much longer is the road route than the straight-line distance?
The direct path is about 149.7 miles (240.9 km), while the road route adds roughly 13.8 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.46 one way or $44.93 round trip. Estimated CO2 is about 51.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Idaho Falls and Widespread Frost then Sunny near Salmon.
Flight Path Map
This map shows the direct air route between Idaho Falls and Salmon. Straight-line distance: 149.71 mi (240.93 km).
#1 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
#2 Salmon
City in Lemhi County, Idaho, United States
| Population | 3,169 |
| Coordinates | 45.1757500, -113.8959000 |
| Altitude | 1202 |
| Country | United States |
End: Salmon (-113.8959, 45.17575)
Estimated Travel Time
Distance: 263 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 26m |
| 40 mph (64.37 km/h) | 04h 05m |
| 50 mph (80.47 km/h) | 03h 16m |
| 60 mph (96.56 km/h) | 02h 43m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.46 | $44.93 |
| Mid-grade | $4.23 | $24.41 | $48.83 |
| Premium | $4.55 | $26.25 | $52.50 |
| Diesel | $5.41 | $31.23 | $62.45 |
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 · Jun 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.