How far is Idaho Falls, ID from Spirit Lake, ID?
The driving distance from Idaho Falls, ID to Spirit Lake, ID is about 504.7 miles (812.2 km), with a travel time of about 08h 31m by car.
- The straight-line flight distance is about 388.5 miles (625.2 km).
- For a round trip, plan for roughly 17h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 31m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Lemhi County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Idaho Falls and Spirit Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Spirit Lake.
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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
198.2 mi · 3 hr 6 min · Veterans Memorial Highway
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13
Take the exit slight left toward I 90 West: Missoula
2808 ft · 1 min
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14
Merge slight left onto I 90 West: Missoula
283.4 mi · 4 hr 47 min
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15
Take the exit slight right
1671 ft · 41 sec
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16
Keep slight right
130 m · 10 sec
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17
Turn straight onto North Highway 41
7.5 mi · 12 min · North Highway 41
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18
Turn left onto West Highway 53 / North Highway 41
1439 ft · 39 sec · West Highway 53 / North Highway 41
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19
Turn right onto North Highway 41
10.2 mi · 15 min · North Highway 41
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20
Continue on North 5th Avenue
1.5 km · 1 min · North 5th Avenue
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21
Arrive at your destination
0 m · 1 sec · North 5th Avenue
Car Route Details
A richer read on the saved driving route between Idaho Falls and Spirit Lake.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Merge slight left onto I 90 West: Missoula
283 mi · 04h 47m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Idaho Falls and Mostly Sunny near Spirit Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Spirit Lake?
The road trip is about 504.7 miles (812.2 km) and usually takes 08h 31m 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 252.1 miles from Idaho Falls and 252.6 miles from Spirit Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 388.5 miles (625.2 km), while the road route adds roughly 116.2 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 MDT. 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 $69.33 one way or $138.67 round trip. Estimated CO2 is about 158.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Idaho Falls and Spirit Lake, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Idaho Falls and Mostly Sunny near Spirit Lake.
Flight Path Map
This map shows the direct air route between Idaho Falls and Spirit Lake. Straight-line distance: 388.48 mi (625.2 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 Spirit Lake
City in Kootenai County, Idaho, United States
| Population | 2,533 |
| Coordinates | 47.9662900, -116.8685300 |
| Altitude | 783 |
| Country | United States |
End: Spirit Lake (-116.86853, 47.96629)
Estimated Travel Time
Distance: 812 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 48m |
| 40 mph (64.37 km/h) | 12h 37m |
| 50 mph (80.47 km/h) | 10h 05m |
| 60 mph (96.56 km/h) | 08h 24m |
| 70 mph (112.65 km/h) | 07h 12m |
| 80 mph (129 km/h) | 06h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $69.33 | $138.67 |
| Mid-grade | $4.23 | $75.35 | $150.71 |
| Premium | $4.55 | $81.02 | $162.04 |
| Diesel | $5.41 | $96.39 | $192.78 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.