How far is Caldwell, ID from Priest River, ID?
The driving distance from Caldwell, ID to Priest River, ID is about 448.4 miles (721.7 km), with a travel time of about 08h 35m by car.
- The straight-line flight distance is about 312.4 miles (502.7 km).
- For a round trip, plan for roughly 17h 10m 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 35m.
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 Nez Perce County, Idaho, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Caldwell and Priest River.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell and Priest River.
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1
Start on the route
28 m · 12 sec
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2
Turn left onto Cleveland Boulevard
22 m · 4 sec · Cleveland Boulevard
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3
Turn right
43 m · 13 sec
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4
Turn right
46 m · 13 sec
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5
Turn right onto South 10th Avenue
1.1 km · 2 min · South 10th Avenue
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6
Continue on North Illinois Avenue
712 ft · 24 sec · North Illinois Avenue
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7
Take the ramp left
1133 ft · 28 sec
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8
Merge slight left onto Vietnam Veterans Memorial Highway
215.6 mi · 3 hr 50 min · Vietnam Veterans Memorial Highway
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9
Take the exit slight right toward US 395 North: Stanfield, Hermiston
1706 ft · 42 sec
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10
Continue on Umatilla-Stanfield Highway
1.2 mi · 1 min · Umatilla-Stanfield Highway
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11
Continue on South Main Street
2 mi · 2 min · South Main Street
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12
Continue on Umatilla-Stanfield Highway
3.2 mi · 4 min · Umatilla-Stanfield Highway
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13
Turn right onto Southeast 4th Street
1.6 mi · 3 min · Southeast 4th Street
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14
Turn left onto East Theater Lane
1368 ft · 42 sec · East Theater Lane
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15
Turn right onto North 1st Street
2864 ft · 39 sec · North 1st Street
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16
Continue on Umatilla-Stanfield Highway
3.8 mi · 4 min · Umatilla-Stanfield Highway
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17
Turn left onto Columbia River Highway
1.1 km · 49 sec · Columbia River Highway
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18
Take the exit right toward I 82 West, US 395 North: Kennewick, Yakima
1130 ft · 28 sec
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19
Merge slight left onto McNary Highway
20.4 mi · 22 min · McNary Highway
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20
Keep slight right to continue on Lewis and Clark Trail Highway
3.3 mi · 5 min · Lewis and Clark Trail Highway
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21
Continue on South US 395
1.1 mi · 2 min · South US 395
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22
Continue on Lewis and Clark Trail
4.9 mi · 7 min · Lewis and Clark Trail
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23
Take the exit slight right toward US 395 north, SR 397 south (Oregon Street): Spokane, Finley
859 ft · 21 sec
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24
Keep slight left to continue on US 395
1416 ft · 35 sec
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25
Keep slight right to continue on US 395 North: Spokane
130.7 mi · 2 hr 21 min
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26
Merge slight right
2.9 mi · 4 min
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27
Take the exit slight right toward US 395 North, US 2 East: Colville, Newport
1311 ft · 32 sec
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28
Keep slight left
6.1 mi · 15 min
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29
Keep slight right to continue on North Newport Highway
2.2 mi · 4 min · North Newport Highway
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30
Continue on North Newport Highway
65 m · 13 sec · North Newport Highway
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31
Enter the roundabout and take exit 2 toward North Newport Highway
49 m · 9 sec · North Newport Highway
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32
Exit the roundabout onto North Newport Highway
38.7 mi · 51 min · North Newport Highway
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33
Turn slight right onto South Union Avenue
76 m · 17 sec · South Union Avenue
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34
Turn left onto West 4th Street
743 ft · 38 sec · West 4th Street
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35
Turn left onto South State Avenue
2173 ft · 41 sec · South State Avenue
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36
Turn right
5.8 mi · 9 min
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37
Turn left onto State Highway 57
149 m · 14 sec · State Highway 57
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38
Turn right onto East Jackson Avenue
628 ft · 30 sec · East Jackson Avenue
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39
Turn right onto 7th Street
88 m · 13 sec · 7th Street
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40
Continue on Summit Boulevard
118 m · 17 sec · Summit Boulevard
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41
Arrive at your destination
0 m · 1 sec · Summit Boulevard
Car Route Details
A richer read on the saved driving route between Caldwell and Priest River.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Vietnam Veterans Memorial Highway
Merge slight left onto Vietnam Veterans Memorial Highway
216 mi · 03h 50m
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 Showers leaving Caldwell and Showers And Thunderstorms near Priest River.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Caldwell to Priest River?
The road trip is about 448.4 miles (721.7 km) and usually takes 08h 35m 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?
Lewiston is a useful midpoint, sitting about 224 miles from Caldwell and 224.4 miles from Priest River.
How much longer is the road route than the straight-line distance?
The direct path is about 312.4 miles (502.7 km), while the road route adds roughly 136 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 $61.59 one way or $123.17 round trip. Estimated CO2 is about 140.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Caldwell 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 Showers around Caldwell and Showers And Thunderstorms near Priest River.
Stop Ideas Near Lewiston
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lewiston.
Lewiston, Idaho
Moscow, Idaho
Pullman, Washington
Colfax, Washington
Flight Path Map
This map shows the direct air route between Caldwell and Priest River. Straight-line distance: 312.35 mi (502.68 km).
#1 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| 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: 722 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 56m |
| 40 mph (64.37 km/h) | 11h 12m |
| 50 mph (80.47 km/h) | 08h 58m |
| 60 mph (96.56 km/h) | 07h 28m |
| 70 mph (112.65 km/h) | 06h 24m |
| 80 mph (129 km/h) | 05h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $61.59 | $123.17 |
| Mid-grade | $4.23 | $66.93 | $133.87 |
| Premium | $4.55 | $71.97 | $143.93 |
| Diesel | $5.41 | $85.62 | $171.24 |
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.