How far is Salmon, ID from Idaho Falls, ID?

The driving distance from Salmon, ID to Idaho Falls, ID is about 166 miles (267.2 km), with a travel time of about 02h 44m by car.

  • The straight-line flight distance is about 149.7 miles (240.9 km).
  • For a round trip, plan for roughly 05h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
166.04 mi
02h 44m
Flight
149.71 mi
240.93 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Salmon.

Flight Distance

Direct air line
149.71 mi
Kilometers
240.93 km
Flight Time
00h 18m

Driving Distance

Road route
166.04 mi
Kilometers
267.21 km
Drive Time
02h 44m

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 02h 44m.

Arrival Snapshot
Arrive in Idaho Falls
Wed, Jun 10, 12:02 PM MDT
Return by in Salmon
Wed, Jun 10, 2:46 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Salmon
2026-06-10T09:17
Arrive Idaho Falls
Wed, Jun 10, 12:02 PM MDT
Route Timing
02h 44m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:45 AM to 12:45 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:00 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Salmon
9:30 PM MDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Leadore
ID

City in Idaho, United States

From Salmon
81.7 mi
01h 22m
To Idaho Falls
84.3 mi
01h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
38°F
Overnight

Chance Rain Showers

Starts
Wed, Jun 10 3:00 AM MDT
Wind
2 mph NW
Destination
40°F
Overnight

Clear

Starts
Wed, Jun 10 4:00 AM MDT
Wind
13 mph SW

Driving Route Map

The map below follows the saved road route between Salmon and Idaho Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between Salmon and Idaho Falls.

  1. 1

    Start on South Saint Charles Street

    63 m · 11 sec · South Saint Charles Street

  2. 2

    Turn right onto Main Street

    1.2 mi · 2 min · Main Street

  3. 3

    Continue straight

    119.5 mi · 2 hr 27 min

  4. 4

    At the end of the road, turn left onto East 1500 North

    15.2 mi · 23 min · East 1500 North

  5. 5

    Take the ramp right toward Idaho Falls

    1099 ft · 27 sec

  6. 6

    Merge slight left onto Veterans Memorial Highway

    23.9 mi · 23 min · Veterans Memorial Highway

  7. 7

    Take the exit slight right toward I 15 Business, US 20 West: Historic Downtown, Arco

    1619 ft · 47 sec

  8. 8

    Continue on West Broadway Street

    2164 ft · 54 sec · West Broadway Street

  9. 9

    Turn right onto South Utah Avenue

    2435 ft · 50 sec · South Utah Avenue

  10. 10

    Enter the roundabout and take exit 1 toward South Utah Avenue

    31 m · 2 sec · South Utah Avenue

  11. 11

    Exit the roundabout onto South Utah Avenue

    781 ft · 23 sec · South Utah Avenue

  12. 12

    Turn left onto Pancheri Drive

    1930 ft · 43 sec · Pancheri Drive

  13. 13

    Continue on West 17th Street

    3067 ft · 58 sec · West 17th Street

  14. 14

    Turn right onto South Boulevard

    1.6 km · 3 min · South Boulevard

  15. 15

    Continue on Stonebrook Lane

    142 m · 15 sec · Stonebrook Lane

  16. 16

    Turn right onto West Stone Run Lane

    74 m · 16 sec · West Stone Run Lane

  17. 17

    Turn left onto Charleston Lane

    46 m · 7 sec · Charleston Lane

  18. 18

    Arrive at your destination

    0 m · 1 sec · Charleston Lane

Car Route Details

A richer read on the saved driving route between Salmon and Idaho Falls.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
18 steps
9 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
10.8 / 100 mi
Decision points by distance
Main Roads
Main Street
121 mi · 73%
Veterans Memorial Highway
23.9 mi · 14%
East 1500 North
15.4 mi · 9%
South Boulevard
0.99 mi · 1%
South Utah Avenue
0.63 mi
West 17th Street
0.58 mi
Longest Stretch

Main Street

Continue straight

120 mi · 02h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 44m
Day trip friendly
Same-Day Return
05h 30m
Round-trip wheel time
Road vs Air
+16.3 mi
149.7 mi direct line
Halfway Stop
Leadore
01h 22m from Salmon
Leave By
1:00 PM MDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Salmon and Clear near Idaho Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Salmon to Idaho Falls?

The road trip is about 166 miles (267.2 km) and usually takes 02h 44m 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?

Leadore is a useful midpoint, sitting about 81.7 miles from Salmon and 84.3 miles from Idaho Falls.

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 16.3 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 1:00 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.81 one way or $45.63 round trip. Estimated CO2 is about 52.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Salmon and Clear near Idaho Falls.

Flight Path Map

This map shows the direct air route between Salmon and Idaho Falls. Straight-line distance: 149.71 mi (240.93 km).

Salmon

#1 Salmon

City in Lemhi County, Idaho, United States

Population3,169
Coordinates45.1757500, -113.8959000
Altitude1202
CountryUnited States
Idaho Falls

#2 Idaho Falls

The most populous city in Bonneville County, Idaho.

Population62,888
Coordinates43.4665800, -112.0341400
Altitude1434
CountryUnited States
Start: South Saint Charles Street (-113.895899, 45.17575)
End: Charleston Lane (-112.034479, 43.46658)

Estimated Travel Time

Distance: 267 km by road

SpeedTime
30 mph (48.3 km/h)05h 31m
40 mph (64.37 km/h)04h 09m
50 mph (80.47 km/h)03h 19m
60 mph (96.56 km/h)02h 46m
70 mph (112.65 km/h)02h 22m
80 mph (129 km/h)02h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.86 gal
22.18 L · about $22.81
Round trip
$45.63
11.72 gal · 44.36 L
Estimated CO2
52.1 kg one way
Round trip: 104.2 kg / 230 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $22.81 $45.63
Mid-grade $4.23 $24.79 $49.59
Premium $4.55 $26.66 $53.31
Diesel $5.41 $31.71 $63.43

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 10, 2026

There is no time difference between Salmon and Idaho Falls. The current time is 09:17:50.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.