How far is Post Falls, ID from Saint Maries, ID?
The driving distance from Post Falls, ID to Saint Maries, ID is about 59.7 miles (96 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 33.2 miles (53.5 km).
- For a round trip, plan for roughly 02h 49m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 24m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Kootenai County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Slight Chance Light Rain
Driving Route Map
The map below follows the saved road route between Post Falls and Saint Maries.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post Falls and Saint Maries.
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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
-
4
Merge slight left
6 mi · 6 min
-
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
32.3 mi · 40 min
-
9
Turn left onto C Street
2674 ft · 1 min · C Street
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10
Continue on State Highway 5
17.6 mi · 28 min · State Highway 5
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11
Continue on Main Avenue
1.4 km · 2 min · Main Avenue
-
12
Turn slight right onto South 4th Street
696 ft · 27 sec · South 4th Street
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13
Turn left onto West Jefferson Avenue
63 m · 9 sec · West Jefferson Avenue
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14
Arrive at your destination
0 m · 1 sec · West Jefferson Avenue
Car Route Details
A richer read on the saved driving route between Post Falls and Saint Maries.
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
32.3 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Post Falls and Slight Chance Light Rain near Saint Maries.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post Falls to Saint Maries?
The road trip is about 59.7 miles (96 km) and usually takes 01h 24m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Worley is a useful midpoint, sitting about 29.8 miles from Post Falls and 29.9 miles from Saint Maries.
How much longer is the road route than the straight-line distance?
The direct path is about 33.2 miles (53.5 km), while the road route adds roughly 26.5 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 3:40 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.21 one way or $16.43 round trip. Estimated CO2 is about 18.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Post Falls and Slight Chance Light Rain near Saint Maries.
Stop Ideas Near Worley
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 Worley.
Spokane Intermodal Center
Colfax, Washington
Deer Park, WA
Moscow, Idaho
Flight Path Map
This map shows the direct air route between Post Falls and Saint Maries. Straight-line distance: 33.27 mi (53.55 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 Saint Maries
River in the United States of America
| Population | 2,448 |
| Coordinates | 47.3143500, -116.5626700 |
| Altitude | 668 |
| Country | United States |
End: Saint Maries (-116.56267, 47.31435)
Estimated Travel Time
Distance: 96 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 59m |
| 40 mph (64.37 km/h) | 01h 29m |
| 50 mph (80.47 km/h) | 01h 11m |
| 60 mph (96.56 km/h) | 00h 59m |
| 70 mph (112.65 km/h) | 00h 51m |
| 80 mph (129 km/h) | 00h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $8.21 | $16.43 |
| Mid-grade | $4.23 | $8.93 | $17.85 |
| Premium | $4.55 | $9.60 | $19.20 |
| Diesel | $5.41 | $11.42 | $22.84 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.