How far is Coeur d'Alene, ID from Idaho Falls, ID?

The driving distance from Coeur d'Alene, ID to Idaho Falls, ID is about 481.3 miles (774.6 km), with a travel time of about 07h 12m by car.

  • The straight-line flight distance is about 370.5 miles (596.2 km).
  • For a round trip, plan for roughly 14h 24m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
481.32 mi
07h 12m
Flight
370.46 mi
596.2 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Coeur d'Alene.

Flight Distance

Direct air line
370.46 mi
Kilometers
596.2 km
Flight Time
00h 44m

Driving Distance

Road route
481.32 mi
Kilometers
774.61 km
Drive Time
07h 12m

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 07h 12m.

Arrival Snapshot
Arrive in Idaho Falls
Fri, May 15, 8:05 AM MDT
Return by in Coeur d'Alene
Fri, May 15, 2:17 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Coeur d'Alene
2026-05-14T23:53
Arrive Idaho Falls
Fri, May 15, 7:05 AM PDT
Route Timing
07h 12m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
2:12 PM to 3:42 PM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:36 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Coeur d'Alene
8:00 PM PDT
Overnight-style route

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.

Mid-route stop
Salmon
ID

City in Lemhi County, Idaho, United States

From Coeur d'Alene
239.2 mi
03h 36m
To Idaho Falls
242.1 mi
03h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
43°F
Tonight

Partly Cloudy

Starts
Thu, May 14 11:00 PM PDT
Wind
8 mph SW
Destination
67°F
Friday

Sunny

Starts
Fri, May 15 6:00 AM MDT
Wind
8 to 28 mph SW

Driving Route Map

The map below follows the saved road route between Coeur d'Alene and Idaho Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between Coeur d'Alene and Idaho Falls.

  1. 1

    Start on East Garden Avenue

    940 ft · 43 sec · East Garden Avenue

  2. 2

    Turn right onto North 7th Street

    1497 ft · 50 sec · North 7th Street

  3. 3

    Turn left onto Sherman Avenue

    1.2 mi · 2 min · Sherman Avenue

  4. 4

    Take the ramp right toward I 90 East

    275.3 mi · 4 hr 37 min

  5. 5

    Take the exit slight right toward I 15 South: Dillon, Idaho Falls

    2694 ft · 1 min

  6. 6

    Merge slight left

    198 mi · 3 hr 6 min

  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 Coeur d'Alene and Idaho Falls.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
18 steps
9 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
3.7 / 100 mi
Decision points by distance
Main Roads
I 90 East
275 mi · 57%
I 15 South
198 mi · 41%
Sherman Avenue
1.15 mi
South Boulevard
0.99 mi
South Utah Avenue
0.63 mi
West 17th Street
0.58 mi
Longest Stretch

I 90 East

Take the ramp right toward I 90 East

275 mi · 04h 37m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 12m
Overnight route
Same-Day Return
14h 24m
Round-trip wheel time
Road vs Air
+110.8 mi
370.5 mi direct line
Halfway Stop
Salmon
03h 36m from Coeur d'Alene
Leave By
9:36 PM PDT
Overnight-style route
Weather Watch

Partly Cloudy leaving Coeur d'Alene and Sunny near Idaho Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Coeur d'Alene to Idaho Falls?

The road trip is about 481.3 miles (774.6 km) and usually takes 07h 12m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Salmon is a useful midpoint, sitting about 239.2 miles from Coeur d'Alene and 242.1 miles from Idaho Falls.

How much longer is the road route than the straight-line distance?

The direct path is about 370.5 miles (596.2 km), while the road route adds roughly 110.8 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $66.10 one way or $132.21 round trip. Estimated CO2 is about 150.9 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Coeur d'Alene and Idaho Falls, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Coeur d'Alene and Sunny near Idaho Falls.

Flight Path Map

This map shows the direct air route between Coeur d'Alene and Idaho Falls. Straight-line distance: 370.46 mi (596.2 km).

Coeur d'Alene

#1 Coeur d'Alene

A city in Kootenai County, Idaho.

Population52,414
Coordinates47.6776800, -116.7804700
Altitude667
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: East Garden Avenue (-116.780472, 47.677573)
End: Charleston Lane (-112.034479, 43.46658)

Estimated Travel Time

Distance: 775 km by road

SpeedTime
30 mph (48.3 km/h)16h 02m
40 mph (64.37 km/h)12h 02m
50 mph (80.47 km/h)09h 37m
60 mph (96.56 km/h)08h 01m
70 mph (112.65 km/h)06h 52m
80 mph (129 km/h)06h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.98 gal
64.29 L · about $66.10
Round trip
$132.21
33.96 gal · 128.58 L
Estimated CO2
150.9 kg one way
Round trip: 301.8 kg / 665 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $66.10 $132.21
Mid-grade $4.23 $71.84 $143.68
Premium $4.55 $77.24 $154.48
Diesel $5.41 $91.90 $183.79

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 · May 15, 2026

Please keep in mind that there is a 1 hour time gap between Coeur d'Alene, ID and Idaho Falls, ID. The current time in Coeur d'Alene is 23:53:34, although it is 00:53:34 in Idaho Falls.

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.