How far is Post Falls, ID from Cascade, ID?
The driving distance from Post Falls, ID to Cascade, ID is about 308.1 miles (495.9 km), with a travel time of about 06h 30m by car.
- The straight-line flight distance is about 225.4 miles (362.8 km).
- For a round trip, plan for roughly 13h 01m 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 06h 30m.
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 Lewis County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Post Falls and Cascade.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Cascade.
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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
68.1 mi · 1 hr 20 min
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14
Turn right onto Johnston Road
2.2 mi · 5 min · Johnston Road
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15
Turn right
76.4 mi · 1 hr 27 min
-
16
Turn left
10.6 mi · 16 min
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17
Turn right onto Boydstun Street
1.5 km · 2 min · Boydstun Street
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18
Continue on East Deinhard Lane
1.6 mi · 3 min · East Deinhard Lane
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19
Turn right onto South 3rd Street
27.7 mi · 37 min · South 3rd Street
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20
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Post Falls and Cascade.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Mostly Sunny leaving Post Falls and Mostly Sunny near Cascade.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Cascade?
The road trip is about 308.1 miles (495.9 km) and usually takes 06h 30m 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?
Winchester is a useful midpoint, sitting about 153.9 miles from Post Falls and 154.2 miles from Cascade.
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 82.7 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 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 $42.32 one way or $84.63 round trip. Estimated CO2 is about 96.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Post Falls and Cascade, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Post Falls and Mostly Sunny near Cascade.
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 Post Falls and Cascade. Straight-line distance: 225.46 mi (362.84 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 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 |
End: Cascade (-116.0418, 44.51628)
Estimated Travel Time
Distance: 496 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 15m |
| 40 mph (64.37 km/h) | 07h 42m |
| 50 mph (80.47 km/h) | 06h 09m |
| 60 mph (96.56 km/h) | 05h 08m |
| 70 mph (112.65 km/h) | 04h 24m |
| 80 mph (129 km/h) | 03h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $42.32 | $84.63 |
| Mid-grade | $4.23 | $45.99 | $91.98 |
| Premium | $4.55 | $49.45 | $98.90 |
| Diesel | $5.41 | $58.83 | $117.66 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.