How far is Cascade, ID from Post Falls, ID?
The driving distance from Cascade, ID to Post Falls, ID is about 308.6 miles (496.7 km), with a travel time of about 05h 39m by car.
- The straight-line flight distance is about 225.4 miles (362.8 km).
- For a round trip, plan for roughly 11h 18m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 05h 39m.
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 Lewis County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain
Driving Route Map
The map below follows the saved road route between Cascade and Post Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cascade and Post Falls.
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1
Start on North Main Street
27.7 mi · 37 min · North Main Street
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2
Turn left onto Deinhard Lane
1.6 mi · 3 min · Deinhard Lane
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3
Continue on Boydstun Street
1.5 km · 2 min · Boydstun Street
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4
At the end of the road, turn left onto West Lake Street
10.6 mi · 16 min · West Lake Street
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5
Turn right onto North Norris Avenue
76.4 mi · 1 hr 27 min · North Norris Avenue
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6
Turn left onto Johnston Road
2.2 mi · 5 min · Johnston Road
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7
At the end of the road, turn left
67.5 mi · 1 hr 19 min
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8
Keep slight right to continue on US 195 North: Moscow, Coeur d' Alene, Spokane
6.7 mi · 8 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 Cascade and Post Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Norris Avenue
Turn right onto North Norris Avenue
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 Cascade and Rain near Post Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cascade to Post Falls?
The road trip is about 308.6 miles (496.7 km) and usually takes 05h 39m 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?
Winchester is a useful midpoint, sitting about 154.2 miles from Cascade and 154.5 miles from Post Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 225.4 miles (362.8 km), while the road route adds roughly 83.2 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 MDT. If you want a more comfortable same-day return, try to leave by 5:42 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.39 one way or $84.79 round trip. Estimated CO2 is about 96.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Cascade and Post Falls, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Cascade and Rain near Post Falls.
Stop Ideas Near Winchester
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 Winchester.
Lewiston, Idaho
Grangeville, Idaho
Moscow, Idaho
Pullman, Washington
Flight Path Map
This map shows the direct air route between Cascade and Post Falls. Straight-line distance: 225.46 mi (362.84 km).
#1 Cascade
Rural city in and the county seat of Valley County, Idaho, United States
| Population | 1,025 |
| Coordinates | 44.5162800, -116.0418000 |
| Altitude | 1451 |
| 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: 497 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 17m |
| 40 mph (64.37 km/h) | 07h 42m |
| 50 mph (80.47 km/h) | 06h 10m |
| 60 mph (96.56 km/h) | 05h 08m |
| 70 mph (112.65 km/h) | 04h 24m |
| 80 mph (129 km/h) | 03h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $42.39 | $84.79 |
| Mid-grade | $4.23 | $46.08 | $92.15 |
| Premium | $4.55 | $49.54 | $99.08 |
| Diesel | $5.41 | $58.94 | $117.87 |
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.