How far is Priest River, ID from Caldwell, ID?
The driving distance from Priest River, ID to Caldwell, ID is about 434.8 miles (699.7 km), with a travel time of about 07h 50m by car.
- The straight-line flight distance is about 312.4 miles (502.7 km).
- For a round trip, plan for roughly 15h 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 07h 50m.
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.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Priest River and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Priest River and Caldwell.
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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
6.4 mi · 10 min · Albeni Road
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4
Turn left onto North Washington Avenue
2120 ft · 1 min · North Washington Avenue
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5
Keep slight right to continue on South Washington Avenue
37.3 mi · 49 min · South Washington Avenue
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6
Take the exit straight
1 mi · 2 min
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7
Merge slight left onto North Spokane Corridor
4.9 mi · 6 min · North Spokane Corridor
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8
Keep slight right
54 m · 5 sec
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9
Turn straight onto East Wellesley Avenue
745 ft · 30 sec · East Wellesley Avenue
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10
Turn left onto North Haven Street
944 ft · 24 sec · North Haven Street
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11
Continue on North Haven Place
1130 ft · 28 sec · North Haven Place
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12
Turn straight onto North Market Street
1.3 km · 2 min · North Market Street
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13
Turn left onto East Grace Avenue
540 ft · 18 sec · East Grace Avenue
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14
Continue on North Greene Street
1.3 km · 2 min · North Greene Street
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15
Turn straight onto North Freya Way
1804 ft · 48 sec · North Freya Way
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16
Continue on North Freya Street
1.2 km · 2 min · North Freya Street
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17
Continue on South Thor Place
1379 ft · 43 sec · South Thor Place
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18
Turn right onto East 2nd Avenue
1113 ft · 19 sec · East 2nd Avenue
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19
Take the ramp straight
568 ft · 14 sec
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20
Merge slight left
5.2 mi · 6 min
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21
Keep slight left
56.6 mi · 1 hr 1 min
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22
Keep slight right to continue on Thomas S. Foley Memorial Highway
73.7 mi · 1 hr 19 min · Thomas S. Foley Memorial Highway
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23
Take the exit slight right toward I 182 West, US 395 South: Richland, Pendleton
3076 ft · 1 min
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24
Merge slight left onto Lewis and Clark Trail
1.9 mi · 2 min · Lewis and Clark Trail
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25
Keep slight right to continue on Lewis and Clark Trail
3.8 mi · 5 min · Lewis and Clark Trail
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26
Continue on North US 395
1.1 mi · 2 min · North US 395
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27
Continue on Lewis and Clark Trail Highway
23.7 mi · 27 min · Lewis and Clark Trail Highway
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28
Take the exit slight right toward US 395 south, US 730: Umatilla, Hermiston, Irrigon
912 ft · 22 sec
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29
Keep slight left to continue on US 395 south, US 730: Umatilla, Hermiston, Irrigon
52 m · 11 sec
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30
Turn left onto Columbia River Highway
1.3 km · 57 sec · Columbia River Highway
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31
Turn right onto Umatilla-Stanfield Highway
3.8 mi · 4 min · Umatilla-Stanfield Highway
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32
Continue on North 1st Street
2864 ft · 44 sec · North 1st Street
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33
Turn left onto East Theater Lane
1368 ft · 41 sec · East Theater Lane
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34
Turn right onto Northeast 4th Street
1.6 mi · 3 min · Northeast 4th Street
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35
Turn left onto Umatilla-Stanfield Highway
3.2 mi · 4 min · Umatilla-Stanfield Highway
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36
Continue on North Main Street
2 mi · 2 min · North Main Street
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37
Continue on Umatilla-Stanfield Highway
1.4 mi · 2 min · Umatilla-Stanfield Highway
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38
Take the exit left toward US 395 North: Stanfield
2590 ft · 1 min
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39
Merge slight left onto Old Oregon Trail Highway
215.2 mi · 3 hr 48 min · Old Oregon Trail Highway
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40
Continue on Idaho Medal of Honor Highway
1.1 km · 48 sec · Idaho Medal of Honor Highway
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41
Take the exit slight right toward City Center, 10th Avenue
1563 ft · 42 sec
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42
Turn right onto North 10th Avenue
1 km · 2 min · North 10th Avenue
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43
Turn left
21 m · 7 sec
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44
Turn right
24 m · 6 sec
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45
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Priest River and Caldwell.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Old Oregon Trail Highway
Merge slight left onto Old Oregon Trail Highway
215 mi · 03h 48m
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 Showers near Caldwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Priest River to Caldwell?
The road trip is about 434.8 miles (699.7 km) and usually takes 07h 50m 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 225.7 miles from Priest River and 209.1 miles from Caldwell.
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 122.4 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 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 $59.72 one way or $119.44 round trip. Estimated CO2 is about 136.3 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 Caldwell, 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 Showers near Caldwell.
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 Priest River and Caldwell. Straight-line distance: 312.35 mi (502.68 km).
#1 Priest River
City in Bonner County, Idaho
| Population | 1,893 |
| Coordinates | 48.1809700, -116.9115700 |
| Altitude | 652 |
| Country | United States |
#2 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
End: (-116.687278, 43.66289)
Estimated Travel Time
Distance: 700 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 29m |
| 40 mph (64.37 km/h) | 10h 52m |
| 50 mph (80.47 km/h) | 08h 41m |
| 60 mph (96.56 km/h) | 07h 14m |
| 70 mph (112.65 km/h) | 06h 12m |
| 80 mph (129 km/h) | 05h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $59.72 | $119.44 |
| Mid-grade | $4.23 | $64.90 | $129.81 |
| Premium | $4.55 | $69.78 | $139.56 |
| Diesel | $5.41 | $83.02 | $166.04 |
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.