How far is Post Falls, ID from Lapwai, ID?
The driving distance from Post Falls, ID to Lapwai, ID is about 133.3 miles (214.6 km), with a travel time of about 02h 56m by car.
- The straight-line flight distance is about 91 miles (146.4 km).
- For a round trip, plan for roughly 05h 53m 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 56m.
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.
Town in Latah County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Post Falls and Lapwai.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Lapwai.
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1
Start on West 10th Avenue
872 ft · 40 sec · West 10th Avenue
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2
Turn right onto North Spokane Street
2114 ft · 1 min · North Spokane Street
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3
Turn left
2024 ft · 51 sec
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4
Merge slight left
6 mi · 6 min
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5
Take the exit slight right toward Northwest Boulevard
1670 ft · 43 sec
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6
Turn right onto Northwest Boulevard
1.3 km · 2 min · Northwest Boulevard
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7
Take the ramp slight right
798 ft · 26 sec
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8
Turn right
82.2 mi · 1 hr 44 min
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9
Continue on North Main Street
535 ft · 18 sec · North Main Street
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10
Continue on North Jackson Street
1.8 mi · 5 min · North Jackson Street
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11
Turn right onto Reisenauer Road
5.2 mi · 7 min · Reisenauer Road
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12
Turn right
22.9 mi · 33 min
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13
Keep slight left to continue on Missoula, Boise
12.6 mi · 15 min
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14
Turn right onto Main Street North
1361 ft · 37 sec · Main Street North
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15
Arrive at your destination
0 m · 1 sec · Main Street South
Car Route Details
A richer read on the saved driving route between Post Falls and Lapwai.
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
82.2 mi · 01h 44m
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.
Rain leaving Post Falls and Rain near Lapwai.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Lapwai?
The road trip is about 133.3 miles (214.6 km) and usually takes 02h 56m 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?
Onaway is a useful midpoint, sitting about 66.6 miles from Post Falls and 66.7 miles from Lapwai.
How much longer is the road route than the straight-line distance?
The direct path is about 91 miles (146.4 km), while the road route adds roughly 42.3 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 12:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.30 one way or $36.59 round trip. Estimated CO2 is about 41.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain around Post Falls and Rain near Lapwai.
Stop Ideas Near Onaway
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 Onaway.
Moscow, Idaho
Pullman, Washington
Colfax, Washington
Lewiston, Idaho
Flight Path Map
This map shows the direct air route between Post Falls and Lapwai. Straight-line distance: 90.99 mi (146.43 km).
#1 Post Falls
City in Kootenai County, Idaho, United States
| Population | 36,250 |
| Coordinates | 47.7179600, -116.9515900 |
| Altitude | 665 |
| Country | United States |
#2 Lapwai
City in Nez Perce County, Idaho, United States
| Population | 1,137 |
| Coordinates | 46.4048900, -116.8048700 |
| Altitude | 291 |
| Country | United States |
End: Lapwai (-116.80487, 46.40489)
Estimated Travel Time
Distance: 215 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 26m |
| 40 mph (64.37 km/h) | 03h 20m |
| 50 mph (80.47 km/h) | 02h 40m |
| 60 mph (96.56 km/h) | 02h 13m |
| 70 mph (112.65 km/h) | 01h 54m |
| 80 mph (129 km/h) | 01h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $18.30 | $36.59 |
| Mid-grade | $4.23 | $19.89 | $39.77 |
| Premium | $4.55 | $21.38 | $42.76 |
| Diesel | $5.41 | $25.44 | $50.87 |
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.