How far is Lewiston, ID from Post Falls, ID?
The driving distance from Lewiston, ID to Post Falls, ID is about 123.7 miles (199 km), with a travel time of about 02h 17m by car.
- The straight-line flight distance is about 90 miles (144.8 km).
- For a round trip, plan for roughly 04h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 17m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Benewah County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Lewiston and Post Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewiston and Post Falls.
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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 left to continue on US 95 North, US 195 North: Moscow, Pullman, Coeur d' Alene, Spokane
2988 ft · 50 sec
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8
Merge slight right
6.2 mi · 7 min
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9
Keep slight left
16.6 mi · 26 min
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10
Turn left onto Reisenauer Road
5.3 mi · 7 min · Reisenauer Road
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11
At the end of the road, turn left onto South Main Street
1.1 mi · 3 min · South Main Street
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12
Continue on South Washington Street
16.8 mi · 23 min · South Washington Street
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13
Continue straight
67.2 mi · 1 hr 26 min
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14
Turn left
7.1 mi · 8 min
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15
Take the exit slight right toward Spokane Street
1913 ft · 50 sec
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16
Turn right onto North Spokane Street
1710 ft · 1 min · North Spokane Street
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17
Turn left onto West 10th Avenue
872 ft · 38 sec · West 10th Avenue
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18
Arrive at your destination
0 m · 1 sec · West 10th Avenue
Car Route Details
A richer read on the saved driving route between Lewiston and Post Falls.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South Washington Street
Continue straight
67.2 mi · 01h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers leaving Lewiston and Chance Light Rain near Post Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lewiston to Post Falls?
The road trip is about 123.7 miles (199 km) and usually takes 02h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Tensed is a useful midpoint, sitting about 61.7 miles from Lewiston and 62 miles from Post Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 90 miles (144.8 km), while the road route adds roughly 33.7 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:54 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.97 one way or $33.95 round trip. Estimated CO2 is about 38.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Lewiston and Chance Light Rain near Post Falls.
Stop Ideas Near Tensed
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 Tensed.
Colfax, Washington
Moscow, Idaho
Pullman, Washington
Spokane Intermodal Center
Flight Path Map
This map shows the direct air route between Lewiston and Post Falls. Straight-line distance: 89.97 mi (144.8 km).
#1 Lewiston
City in Nez Perce County, Idaho, USA
| Population | 32,788 |
| Coordinates | 46.4165500, -117.0176600 |
| Altitude | 227 |
| Country | United States |
#2 Post Falls
City in Kootenai County, Idaho, United States
| Population | 36,250 |
| Coordinates | 47.7179600, -116.9515900 |
| Altitude | 665 |
| Country | United States |
End: West 10th Avenue (-116.951612, 47.717931)
Estimated Travel Time
Distance: 199 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 07m |
| 40 mph (64.37 km/h) | 03h 05m |
| 50 mph (80.47 km/h) | 02h 28m |
| 60 mph (96.56 km/h) | 02h 03m |
| 70 mph (112.65 km/h) | 01h 45m |
| 80 mph (129 km/h) | 01h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.97 | $33.95 |
| Mid-grade | $4.23 | $18.45 | $36.89 |
| Premium | $4.55 | $19.83 | $39.67 |
| Diesel | $5.41 | $23.60 | $47.19 |
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.