How far is Idaho Falls, ID from Priest River, ID?
The driving distance from Idaho Falls, ID to Priest River, ID is about 530.8 miles (854.2 km), with a travel time of about 09h 11m by car.
- The straight-line flight distance is about 401.4 miles (646 km).
- For a round trip, plan for roughly 18h 22m 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 09h 11m.
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.
Rain And Snow Likely
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Idaho Falls and Priest River.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Priest River.
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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 mi · 2 min · North 5th Avenue
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21
Continue on North Highway 41
19 mi · 28 min · North Highway 41
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22
Continue on South State Avenue
2173 ft · 41 sec · South State Avenue
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23
Turn right
5.8 mi · 9 min
-
24
Turn left onto State Highway 57
149 m · 14 sec · State Highway 57
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25
Turn right onto East Jackson Avenue
628 ft · 30 sec · East Jackson Avenue
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26
Turn right onto 7th Street
88 m · 13 sec · 7th Street
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27
Continue on Summit Boulevard
118 m · 17 sec · Summit Boulevard
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28
Arrive at your destination
0 m · 1 sec · Summit Boulevard
Car Route Details
A richer read on the saved driving route between Idaho Falls and Priest River.
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.
Rain And Snow Likely leaving Idaho Falls and Chance Light Rain near Priest River.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Priest River?
The road trip is about 530.8 miles (854.2 km) and usually takes 09h 11m 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 265.1 miles from Idaho Falls and 265.7 miles from Priest River.
How much longer is the road route than the straight-line distance?
The direct path is about 401.4 miles (646 km), while the road route adds roughly 129.4 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 $72.92 one way or $145.83 round trip. Estimated CO2 is about 166.5 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 Priest River, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain And Snow Likely around Idaho Falls and Chance Light Rain near Priest River.
Flight Path Map
This map shows the direct air route between Idaho Falls and Priest River. Straight-line distance: 401.38 mi (645.96 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 Priest River
City in Bonner County, Idaho
| Population | 1,893 |
| Coordinates | 48.1809700, -116.9115700 |
| Altitude | 652 |
| Country | United States |
End: Priest River (-116.91157, 48.18097)
Estimated Travel Time
Distance: 854 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 41m |
| 40 mph (64.37 km/h) | 13h 16m |
| 50 mph (80.47 km/h) | 10h 36m |
| 60 mph (96.56 km/h) | 08h 50m |
| 70 mph (112.65 km/h) | 07h 34m |
| 80 mph (129 km/h) | 06h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $72.92 | $145.83 |
| Mid-grade | $4.23 | $79.25 | $158.49 |
| Premium | $4.55 | $85.20 | $170.41 |
| Diesel | $5.41 | $101.37 | $202.73 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.