How far is Tyhee, ID from Post Falls, ID?
The driving distance from Tyhee, ID to Post Falls, ID is about 529.9 miles (852.8 km), with a travel time of about 08h 01m by car.
- The straight-line flight distance is about 394.7 miles (635.2 km).
- For a round trip, plan for roughly 16h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 01m.
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.
Patchy Fog then Sunny
Driving Route Map
The map below follows the saved road route between Tyhee and Post Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tyhee and Post Falls.
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1
Start on Cherry Lane
15 m · 7 sec · Cherry Lane
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2
Turn left onto North Yellowstone Highway
1 km · 57 sec · North Yellowstone Highway
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3
Continue on Yellowstone Avenue
2658 ft · 52 sec · Yellowstone Avenue
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4
Turn left onto New Day Parkway
1.5 mi · 3 min · New Day Parkway
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5
Turn left
1693 ft · 43 sec
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6
Merge slight left onto Veterans Memorial Highway
243.1 mi · 3 hr 48 min · Veterans Memorial Highway
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7
Take the exit slight left toward I 90 West: Missoula
2808 ft · 1 min
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8
Merge slight left onto I 90 West: Missoula
285.8 mi · 4 hr 50 min
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9
Take the exit slight right toward Spokane Street
1913 ft · 50 sec
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10
Turn right onto North Spokane Street
1710 ft · 1 min · North Spokane Street
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11
Turn left onto West 10th Avenue
872 ft · 38 sec · West 10th Avenue
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12
Arrive at your destination
0 m · 1 sec · West 10th Avenue
Car Route Details
A richer read on the saved driving route between Tyhee and Post Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Merge slight left onto I 90 West: Missoula
286 mi · 04h 50m
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.
Patchy Fog then Sunny leaving Tyhee and Sunny near Post Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tyhee to Post Falls?
The road trip is about 529.9 miles (852.8 km) and usually takes 08h 01m 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 265.4 miles from Tyhee and 264.5 miles from Post Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 394.7 miles (635.2 km), while the road route adds roughly 135.2 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 7:30 AM MDT. 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 $91.03 one way or $182.06 round trip. Estimated CO2 is about 166.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Tyhee and Post Falls, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Patchy Fog then Sunny around Tyhee and Sunny near Post Falls.
Flight Path Map
This map shows the direct air route between Tyhee and Post Falls. Straight-line distance: 394.7 mi (635.21 km).
#1 Tyhee
Situated in Bannock County at an elevation of 4462 feet, this community lies immediately north of Pocatello in the Portneuf River valley of southeastern Idaho.
| Population | 0 |
| Coordinates | 42.9515800, -112.4663700 |
| Altitude | 1360 |
| 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: 853 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 39m |
| 40 mph (64.37 km/h) | 13h 14m |
| 50 mph (80.47 km/h) | 10h 35m |
| 60 mph (96.56 km/h) | 08h 49m |
| 70 mph (112.65 km/h) | 07h 34m |
| 80 mph (129 km/h) | 06h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.87 | $91.03 | $182.06 |
| Mid-grade | $5.19 | $97.03 | $194.07 |
| Premium | $5.46 | $102.01 | $204.02 |
| Diesel | $6.35 | $118.78 | $237.56 |
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 · Oct 15, 2026