How far is Salmon, ID from Twin Falls, ID?
The driving distance from Salmon, ID to Twin Falls, ID is about 247.2 miles (397.8 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 182.7 miles (294 km).
- For a round trip, plan for roughly 09h 03m 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 04h 31m.
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 Butte County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Light Snow
Sunny
Driving Route Map
The map below follows the saved road route between Salmon and Twin Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Salmon and Twin Falls.
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1
Start on South Saint Charles Street
63 m · 11 sec · South Saint Charles Street
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2
Turn right onto Main Street
2394 ft · 46 sec · Main Street
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3
Turn right onto South Challis Street
2152 ft · 36 sec · South Challis Street
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4
Continue on Salmon River Scenic Byway
137.5 mi · 2 hr 52 min · Salmon River Scenic Byway
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5
Turn right onto West Lost River Avenue
979 ft · 20 sec · West Lost River Avenue
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6
Turn left onto North Water Street
122 m · 8 sec · North Water Street
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7
Turn right onto West Grand Avenue
1.3 km · 2 min · West Grand Avenue
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8
Continue on Idaho Medal of Honor Highway
41 mi · 47 min · Idaho Medal of Honor Highway
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9
Continue on North Main Street
8 mi · 11 min · North Main Street
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10
Continue straight
32.4 mi · 48 min
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11
Turn left onto South Greenwood Street
23.6 mi · 28 min · South Greenwood Street
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12
Continue on North 3000 East Road
2933 ft · 1 min · North 3000 East Road
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13
Continue on Blue Lakes Boulevard North
2 mi · 5 min · Blue Lakes Boulevard North
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14
Turn slight right onto Shoshone Street East
46 m · 3 sec · Shoshone Street East
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15
Arrive at your destination
0 m · 1 sec · Shoshone Street East
Car Route Details
A richer read on the saved driving route between Salmon and Twin Falls.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Salmon River Scenic Byway
Continue on Salmon River Scenic Byway
138 mi · 02h 52m
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.
Partly Sunny then Chance Light Snow leaving Salmon and Sunny near Twin Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Salmon to Twin Falls?
The road trip is about 247.2 miles (397.8 km) and usually takes 04h 31m 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?
Moore is a useful midpoint, sitting about 123.5 miles from Salmon and 123.7 miles from Twin Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 182.7 miles (294 km), while the road route adds roughly 64.5 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.95 one way or $67.89 round trip. Estimated CO2 is about 77.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Light Snow around Salmon and Sunny near Twin Falls.
Flight Path Map
This map shows the direct air route between Salmon and Twin Falls. Straight-line distance: 182.7 mi (294.03 km).
#1 Salmon
City in Lemhi County, Idaho, United States
| Population | 3,169 |
| Coordinates | 45.1757500, -113.8959000 |
| Altitude | 1202 |
| Country | United States |
#2 Twin Falls
The most populous city in Twin Falls County, Idaho.
| Population | 50,197 |
| Coordinates | 42.5629700, -114.4608700 |
| Altitude | 1138 |
| Country | United States |
End: Shoshone Street East (-114.460704, 42.56285)
Estimated Travel Time
Distance: 398 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 14m |
| 40 mph (64.37 km/h) | 06h 10m |
| 50 mph (80.47 km/h) | 04h 56m |
| 60 mph (96.56 km/h) | 04h 07m |
| 70 mph (112.65 km/h) | 03h 31m |
| 80 mph (129 km/h) | 03h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $33.95 | $67.89 |
| Mid-grade | $4.23 | $36.89 | $73.79 |
| Premium | $4.55 | $39.67 | $79.33 |
| Diesel | $5.41 | $47.19 | $94.39 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.