How far is Post Falls, ID from Grangeville, ID?
The driving distance from Post Falls, ID to Grangeville, ID is about 191.4 miles (308.1 km), with a travel time of about 04h 04m by car.
- The straight-line flight distance is about 129.8 miles (208.9 km).
- For a round trip, plan for roughly 08h 08m 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 04m.
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 Idaho, USA
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 Grangeville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Grangeville.
-
1
Start on West 10th Avenue
872 ft · 40 sec · West 10th Avenue
-
2
Turn right onto North Spokane Street
2114 ft · 1 min · North Spokane Street
-
3
Turn left
2024 ft · 51 sec
-
4
Merge slight left
6 mi · 6 min
-
5
Take the exit slight right toward Northwest Boulevard
1670 ft · 43 sec
-
6
Turn right onto Northwest Boulevard
1.3 km · 2 min · Northwest Boulevard
-
7
Take the ramp slight right
798 ft · 26 sec
-
8
Turn right
82.2 mi · 1 hr 44 min
-
9
Continue on North Main Street
535 ft · 18 sec · North Main Street
-
10
Continue on North Jackson Street
1.8 mi · 5 min · North Jackson Street
-
11
Turn right onto Reisenauer Road
5.2 mi · 7 min · Reisenauer Road
-
12
Turn right
22.9 mi · 33 min
-
13
Keep slight left to continue on Missoula, Boise
70.6 mi · 1 hr 23 min
-
14
Turn left onto West Main Street
2223 ft · 40 sec · West Main Street
-
15
Turn left onto North College Street
24 m · 3 sec · North College Street
-
16
Arrive at your destination
0 m · 1 sec · North College Street
Car Route Details
A richer read on the saved driving route between Post Falls and Grangeville.
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 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.
Mostly Sunny leaving Post Falls and Mostly Sunny near Grangeville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Grangeville?
The road trip is about 191.4 miles (308.1 km) and usually takes 04h 04m 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?
Moscow is a useful midpoint, sitting about 95.6 miles from Post Falls and 95.8 miles from Grangeville.
How much longer is the road route than the straight-line distance?
The direct path is about 129.8 miles (208.9 km), while the road route adds roughly 61.6 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 8:52 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.32 one way or $52.63 round trip. Estimated CO2 is about 60.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Post Falls and Mostly Sunny near Grangeville.
Stop Ideas Near Moscow
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 Moscow.
Moscow, Idaho
Pullman, Washington
Colfax, Washington
Lewiston, Idaho
Flight Path Map
This map shows the direct air route between Post Falls and Grangeville. Straight-line distance: 129.84 mi (208.95 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 Grangeville
City in and county seat of Idaho County, Idaho, United States
| Population | 3,237 |
| Coordinates | 45.9265500, -116.1223700 |
| Altitude | 1036 |
| Country | United States |
End: Grangeville (-116.12237, 45.92655)
Estimated Travel Time
Distance: 308 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 22m |
| 40 mph (64.37 km/h) | 04h 47m |
| 50 mph (80.47 km/h) | 03h 49m |
| 60 mph (96.56 km/h) | 03h 11m |
| 70 mph (112.65 km/h) | 02h 44m |
| 80 mph (129 km/h) | 02h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $26.32 | $52.63 |
| Mid-grade | $4.23 | $28.60 | $57.20 |
| Premium | $4.55 | $30.75 | $61.50 |
| Diesel | $5.41 | $36.59 | $73.17 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.