How far is Lewiston, ID from Caldwell, ID?
The driving distance from Lewiston, ID to Caldwell, ID is about 271.2 miles (436.5 km), with a travel time of about 04h 57m by car.
- The straight-line flight distance is about 190.9 miles (307.3 km).
- For a round trip, plan for roughly 09h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 57m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Shoshone County
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Lewiston and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewiston and Caldwell.
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1
Start on the route
32 m · 10 sec
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2
Turn right onto Idaho Street
1 km · 2 min · Idaho Street
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3
Turn right onto 19th Street
88 m · 18 sec · 19th Street
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4
Turn left onto 7th Avenue
669 ft · 31 sec · 7th Avenue
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5
At the end of the road, turn left onto 21st Street
103 m · 10 sec · 21st Street
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6
Continue straight
1.6 km · 2 min
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7
Keep slight right to continue on US 95 South: Missoula, Boise
9.3 mi · 11 min
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8
Continue straight
58.6 mi · 1 hr 8 min
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9
Turn right onto Johnston Road
2.2 mi · 5 min · Johnston Road
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10
Turn right
76.4 mi · 1 hr 27 min
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11
Take the exit slight right toward Virginia Street
46.6 mi · 1 hr · Virginia Street
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12
Turn left onto Superior Street
44.4 mi · 55 min · Superior Street
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13
Turn left onto South Main Street
2.1 mi · 4 min · South Main Street
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14
Take the exit slight right
531 ft · 15 sec
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15
Continue on Northwest 16th Street
2821 ft · 47 sec · Northwest 16th Street
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16
Continue on East Idaho Avenue
1.2 km · 1 min · East Idaho Avenue
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17
Turn left
1512 ft · 37 sec
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18
Merge slight left onto Old Oregon Trail Highway
27.7 mi · 26 min · Old Oregon Trail Highway
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19
Continue on Idaho Medal of Honor Highway
1.1 km · 48 sec · Idaho Medal of Honor Highway
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20
Take the exit slight right toward City Center, 10th Avenue
1563 ft · 42 sec
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21
Turn right onto North 10th Avenue
1 km · 2 min · North 10th Avenue
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22
Turn left
21 m · 7 sec
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23
Turn right
24 m · 6 sec
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24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lewiston and Caldwell.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
76.4 mi · 01h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain Showers leaving Lewiston 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 Lewiston to Caldwell?
The road trip is about 271.2 miles (436.5 km) and usually takes 04h 57m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Pinehurst is a useful midpoint, sitting about 136.2 miles from Lewiston and 135 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 190.9 miles (307.3 km), while the road route adds roughly 80.3 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 7:04 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.26 one way or $74.51 round trip. Estimated CO2 is about 85 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lewiston and Caldwell, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Lewiston and Rain Showers near Caldwell.
Stop Ideas Near Pinehurst
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 Pinehurst.
McCall, Idaho
Grangeville, Idaho
Flight Path Map
This map shows the direct air route between Lewiston and Caldwell. Straight-line distance: 190.93 mi (307.28 km).
#1 Lewiston
City in Nez Perce County, Idaho, USA
| Population | 32,788 |
| Coordinates | 46.4165500, -117.0176600 |
| Altitude | 227 |
| 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: 437 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 02m |
| 40 mph (64.37 km/h) | 06h 46m |
| 50 mph (80.47 km/h) | 05h 25m |
| 60 mph (96.56 km/h) | 04h 31m |
| 70 mph (112.65 km/h) | 03h 52m |
| 80 mph (129 km/h) | 03h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $37.26 | $74.51 |
| Mid-grade | $4.23 | $40.49 | $80.98 |
| Premium | $4.55 | $43.53 | $87.07 |
| Diesel | $5.41 | $51.79 | $103.59 |
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.