How far is Post Falls, ID from Rupert, ID?
The driving distance from Post Falls, ID to Rupert, ID is about 605.2 miles (973.9 km), with a travel time of about 09h 55m by car.
- The straight-line flight distance is about 386.6 miles (622.2 km).
- For a round trip, plan for roughly 19h 51m 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 55m.
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.
Chance Light Rain
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Post Falls and Rupert.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Rupert.
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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
244.3 mi · 3 hr 50 min
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7
Take the exit slight right toward I 86 West: Chubbuck, Twin Falls
1 km · 44 sec
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8
Continue straight
62.7 mi · 59 min
-
9
Continue on Vietnam Veterans Memorial Highway
4.8 mi · 5 min · Vietnam Veterans Memorial Highway
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10
Take the exit slight right toward ID 77, ID 25: Rupert, Declo
888 ft · 23 sec
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11
Turn right onto State Highway 25
1.1 mi · 2 min · State Highway 25
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12
Continue on South 200 East
2.5 mi · 4 min · South 200 East
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13
Turn left onto East Baseline Road
1.7 mi · 3 min · East Baseline Road
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14
Continue on East 8th Street South
1230 ft · 22 sec · East 8th Street South
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15
Turn right onto Oneida Street
36 m · 4 sec · Oneida Street
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16
Turn left onto East 8th Street South
2765 ft · 1 min · East 8th Street South
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17
Turn left
62 m · 15 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Post Falls and Rupert.
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.
Chance Light Rain leaving Post Falls and Chance Light Rain near Rupert.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Rupert?
The road trip is about 605.2 miles (973.9 km) and usually takes 09h 55m 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 302.2 miles from Post Falls and 302.9 miles from Rupert.
How much longer is the road route than the straight-line distance?
The direct path is about 386.6 miles (622.2 km), while the road route adds roughly 218.6 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 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 $83.12 one way or $166.23 round trip. Estimated CO2 is about 189.7 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 Rupert, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Post Falls and Chance Light Rain near Rupert.
Flight Path Map
This map shows the direct air route between Post Falls and Rupert. Straight-line distance: 386.63 mi (622.22 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 Rupert
City in Minidoka County, Idaho, United States
| Population | 5,893 |
| Coordinates | 42.6190800, -113.6772300 |
| Altitude | 1267 |
| Country | United States |
End: Rupert (-113.67723, 42.61908)
Estimated Travel Time
Distance: 974 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 20h 09m |
| 40 mph (64.37 km/h) | 15h 07m |
| 50 mph (80.47 km/h) | 12h 06m |
| 60 mph (96.56 km/h) | 10h 05m |
| 70 mph (112.65 km/h) | 08h 38m |
| 80 mph (129 km/h) | 07h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $83.12 | $166.23 |
| Mid-grade | $4.23 | $90.33 | $180.66 |
| Premium | $4.55 | $97.12 | $194.24 |
| Diesel | $5.41 | $115.55 | $231.09 |
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.