How far is Post Falls, ID from Aberdeen, ID?
The driving distance from Post Falls, ID to Aberdeen, ID is about 548 miles (882 km), with a travel time of about 09h 18m by car.
- The straight-line flight distance is about 385.5 miles (620.4 km).
- For a round trip, plan for roughly 18h 36m 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 09h 18m.
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 Lemhi County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Post Falls and Aberdeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Aberdeen.
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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
285.1 mi · 4 hr 47 min
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5
Take the exit slight right toward I 15 South: Dillon, Idaho Falls
2694 ft · 1 min
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6
Merge slight left
224 mi · 3 hr 30 min
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7
Take the exit slight right toward I 15 Business, US 26, ID 39: Blackfoot, Aberdeen
1439 ft · 39 sec
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8
Turn right
940 ft · 25 sec
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9
Turn left onto West State Highway 39
5.5 mi · 8 min · West State Highway 39
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10
Continue on West Highway 39
12.1 mi · 18 min · West Highway 39
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11
Continue on West 800 South
7.5 mi · 11 min · West 800 South
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12
Continue on State Highway 39
1.9 mi · 3 min · State Highway 39
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13
Continue on South 2600 West
4.9 mi · 7 min · South 2600 West
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14
Turn straight onto State Highway 39
1.3 mi · 2 min · State Highway 39
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15
Continue on 2700 West Road
881 ft · 15 sec · 2700 West Road
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16
Continue on South 2700 West
2.6 mi · 4 min · South 2700 West
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17
Continue on West State Highway 39
1.2 km · 1 min · West State Highway 39
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18
Continue on North Main Street
2139 ft · 41 sec · North Main Street
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19
Turn left onto East Central Street
35 m · 5 sec · East Central Street
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20
Arrive at your destination
0 m · 1 sec · East Central Street
Car Route Details
A richer read on the saved driving route between Post Falls and Aberdeen.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Spokane Street
Merge slight left
285 mi · 04h 47m
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 Chance Snow Showers near Aberdeen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Aberdeen?
The road trip is about 548 miles (882 km) and usually takes 09h 18m 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?
Salmon is a useful midpoint, sitting about 273.7 miles from Post Falls and 274.3 miles from Aberdeen.
How much longer is the road route than the straight-line distance?
The direct path is about 385.5 miles (620.4 km), while the road route adds roughly 162.5 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 $75.29 one way or $150.58 round trip. Estimated CO2 is about 171.9 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 Aberdeen, 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 Chance Snow Showers near Aberdeen.
Flight Path Map
This map shows the direct air route between Post Falls and Aberdeen. Straight-line distance: 385.5 mi (620.41 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 Aberdeen
City in Bingham County, Idaho, United States
| Population | 1,977 |
| Coordinates | 42.9440800, -112.8383300 |
| Altitude | 1342 |
| Country | United States |
End: Aberdeen (-112.83833, 42.94408)
Estimated Travel Time
Distance: 882 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 15m |
| 40 mph (64.37 km/h) | 13h 42m |
| 50 mph (80.47 km/h) | 10h 57m |
| 60 mph (96.56 km/h) | 09h 08m |
| 70 mph (112.65 km/h) | 07h 49m |
| 80 mph (129 km/h) | 06h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $75.29 | $150.58 |
| Mid-grade | $4.23 | $81.83 | $163.66 |
| Premium | $4.55 | $87.98 | $175.96 |
| Diesel | $5.41 | $104.67 | $209.34 |
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.