How far is Priest River, ID from Idaho Falls, ID?
The driving distance from Priest River, ID to Idaho Falls, ID is about 531 miles (854.6 km), with a travel time of about 08h 20m by car.
- The straight-line flight distance is about 401.4 miles (646 km).
- For a round trip, plan for roughly 16h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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 20m.
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.
Showers And Thunderstorms
Rain And Snow Likely
Driving Route Map
The map below follows the saved road route between Priest River and Idaho Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Priest River and Idaho Falls.
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1
Start on Summit Boulevard
648 ft · 31 sec · Summit Boulevard
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2
Turn right onto 4th Street
74 m · 9 sec · 4th Street
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3
Turn right onto Albeni Road
6.2 mi · 10 min · Albeni Road
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4
Turn left onto North State Avenue
2173 ft · 37 sec · North State Avenue
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5
Continue on Highway 41
19 mi · 28 min · Highway 41
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6
Continue on North 5th Avenue
1.5 mi · 2 min · North 5th Avenue
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7
Continue on North Highway 41
10.2 mi · 15 min · North Highway 41
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8
Turn left onto West Highway 53 / North Highway 41
1439 ft · 39 sec · West Highway 53 / North Highway 41
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9
Turn right onto North Highway 41
7.7 mi · 12 min · North Highway 41
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10
Turn left onto East Seltice Way
94 m · 10 sec · East Seltice Way
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11
Turn slight left onto I 90, ID 41
114 m · 16 sec
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12
Take the ramp slight right toward I 90
2435 ft · 59 sec
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13
Merge slight left
282.5 mi · 4 hr 45 min
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14
Take the exit slight right toward I 15 South: Dillon, Idaho Falls
2694 ft · 1 min
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15
Merge slight left
198 mi · 3 hr 6 min
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16
Take the exit slight right toward I 15 Business, US 20 West: Historic Downtown, Arco
1619 ft · 47 sec
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17
Continue on West Broadway Street
2164 ft · 54 sec · West Broadway Street
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18
Turn right onto South Utah Avenue
2435 ft · 50 sec · South Utah Avenue
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19
Enter the roundabout and take exit 1 toward South Utah Avenue
31 m · 2 sec · South Utah Avenue
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20
Exit the roundabout onto South Utah Avenue
781 ft · 23 sec · South Utah Avenue
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21
Turn left onto Pancheri Drive
1930 ft · 43 sec · Pancheri Drive
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22
Continue on West 17th Street
3067 ft · 58 sec · West 17th Street
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23
Turn right onto South Boulevard
1.6 km · 3 min · South Boulevard
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24
Continue on Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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25
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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26
Turn left onto Charleston Lane
46 m · 7 sec · Charleston Lane
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27
Arrive at your destination
0 m · 1 sec · Charleston Lane
Car Route Details
A richer read on the saved driving route between Priest River and Idaho Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90
Merge slight left
282 mi · 04h 45m
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.
Showers And Thunderstorms leaving Priest River and Rain And Snow Likely near Idaho Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Priest River to Idaho Falls?
The road trip is about 531 miles (854.6 km) and usually takes 08h 20m 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 264.9 miles from Priest River and 266.1 miles from Idaho Falls.
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 129.6 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 $72.95 one way or $145.91 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 Priest River and Idaho Falls, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Priest River and Rain And Snow Likely near Idaho Falls.
Flight Path Map
This map shows the direct air route between Priest River and Idaho Falls. Straight-line distance: 401.38 mi (645.96 km).
#1 Priest River
City in Bonner County, Idaho
| Population | 1,893 |
| Coordinates | 48.1809700, -116.9115700 |
| Altitude | 652 |
| Country | United States |
#2 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
End: Charleston Lane (-112.034479, 43.46658)
Estimated Travel Time
Distance: 855 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 37m |
| 60 mph (96.56 km/h) | 08h 51m |
| 70 mph (112.65 km/h) | 07h 35m |
| 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 | $72.95 | $145.91 |
| Mid-grade | $4.23 | $79.29 | $158.58 |
| Premium | $4.55 | $85.25 | $170.50 |
| Diesel | $5.41 | $101.42 | $202.84 |
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.