How far is Post Falls, ID from Spirit Lake, ID?

The driving distance from Post Falls, ID to Spirit Lake, ID is about 21.2 miles (34.1 km), with a travel time of about 00h 33m by car.

  • The straight-line flight distance is about 17.6 miles (28.3 km).
  • For a round trip, plan for roughly 01h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
21.19 mi
00h 33m
Flight
17.58 mi
28.3 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Post Falls.

Flight Distance

Direct air line
17.58 mi
Kilometers
28.3 km
Flight Time
00h 02m

Driving Distance

Road route
21.19 mi
Kilometers
34.11 km
Drive Time
00h 33m

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 00h 33m.

Arrival Snapshot
Arrive in Spirit Lake
Sun, Apr 19, 1:50 AM PDT
Return by in Post Falls
Sun, Apr 19, 2:24 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Post Falls
2026-04-19T01:16
Arrive Spirit Lake
Sun, Apr 19, 1:50 AM PDT
Route Timing
00h 33m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:34 AM to 7:34 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:22 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Post Falls
10:00 PM PDT
Flexible departure

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.

Mid-route stop
Rathdrum
ID

City in Koostenai County, Idaho, United States

From Post Falls
10.6 mi
00h 16m
To Spirit Lake
10.6 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Sunday

Partly Sunny then Slight Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
6 mph SE
Destination
65°F
Sunday

Mostly Sunny then Slight Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
5 mph SE

Driving Route Map

The map below follows the saved road route between Post Falls and Spirit Lake.

Turn-by-Turn Driving Directions

Step-by-step road directions between Post Falls and Spirit Lake.

  1. 1

    Start on West 10th Avenue

    872 ft · 44 sec · West 10th Avenue

  2. 2

    Turn left onto North Spokane Street

    1.4 km · 2 min · North Spokane Street

  3. 3

    Enter the roundabout and take exit 1 toward East Poleline Avenue

    9 m · 1 sec · East Poleline Avenue

  4. 4

    Exit the roundabout onto East Poleline Avenue

    2521 ft · 50 sec · East Poleline Avenue

  5. 5

    Enter the roundabout and take exit 2 toward East Poleline Avenue

    34 m · 2 sec · East Poleline Avenue

  6. 6

    Exit the roundabout onto East Poleline Avenue

    2583 ft · 52 sec · East Poleline Avenue

  7. 7

    Turn left

    25 m · 2 sec

  8. 8

    Turn slight right onto East Poleline Avenue

    1.6 km · 2 min · East Poleline Avenue

  9. 9

    Enter the roundabout and take exit 2 toward East Poleline Avenue

    28 m · 2 sec · East Poleline Avenue

  10. 10

    Exit the roundabout onto East Poleline Avenue

    2613 ft · 54 sec · East Poleline Avenue

  11. 11

    Turn left onto North Highway 41

    6.3 mi · 10 min · North Highway 41

  12. 12

    Turn left onto West Highway 53 / North Highway 41

    1439 ft · 39 sec · West Highway 53 / North Highway 41

  13. 13

    Turn right onto North Highway 41

    10.2 mi · 15 min · North Highway 41

  14. 14

    Continue on North 5th Avenue

    1.5 km · 1 min · North 5th Avenue

  15. 15

    Arrive at your destination

    0 m · 1 sec · North 5th Avenue

Car Route Details

A richer read on the saved driving route between Post Falls and Spirit Lake.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
15 steps
12 turns on the saved route
Ramps & Exits
6
0 merges, 6 ramps or exits
Navigation Density
70.8 / 100 mi
Decision points by distance
Main Roads
North Highway 41
16.5 mi · 78%
East Poleline Avenue
2.49 mi · 12%
North 5th Avenue
0.91 mi · 4%
North Spokane Street
0.87 mi · 4%
West Highway 53 / North Highway 41
0.27 mi · 1%
West 10th Avenue
0.17 mi · 1%
Longest Stretch

North Highway 41

Turn right onto North Highway 41

10.2 mi · 00h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 33m
Quick drive
Same-Day Return
01h 08m
Round-trip wheel time
Road vs Air
+3.6 mi
17.6 mi direct line
Halfway Stop
Rathdrum
00h 16m from Post Falls
Leave By
7:22 PM PDT
Flexible departure
Weather Watch

Partly Sunny then Slight Chance Light Rain leaving Post Falls and Mostly Sunny then Slight Chance Light Rain near Spirit Lake.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Post Falls to Spirit Lake?

The road trip is about 21.2 miles (34.1 km) and usually takes 00h 33m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Rathdrum is a useful midpoint, sitting about 10.6 miles from Post Falls and 10.6 miles from Spirit Lake.

How much longer is the road route than the straight-line distance?

The direct path is about 17.6 miles (28.3 km), while the road route adds roughly 3.6 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:22 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.92 one way or $5.84 round trip. Estimated CO2 is about 6.7 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Light Rain around Post Falls and Mostly Sunny then Slight Chance Light Rain near Spirit Lake.

Stop Ideas Near Rathdrum

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Rathdrum and the surrounding midpoint area.
Rathdrum Mountain Recreation Area
Scenic stop 1.4 mi away

Rathdrum Mountain Recreation Area

Rathdrum , ID
Rathdrum, ID 83858
Rating 3.8/5 6 reviews Park
Stop photo coming soon
Practical stop 11.6 mi away

Coeur D'Alene Utility Billing

Coeur d'Alene , ID
710 E Mullan Ave, Coeur d'Alene, ID 83814
Rating 3.0/5 1 reviews City government office,Accounting,Emergency services,Insurance agency,Water utility company
City Hall- Post Falls
Meeting point 8.5 mi away

City Hall- Post Falls

Post Falls , ID
408 N Spokane St, Post Falls, ID 83854
Rating 3.8/5 10 reviews Government office,City Hall
Athol Community Center
Nearby stop 11.5 mi away

Athol Community Center

Athol , ID
30355 3rd St, Athol, ID 83801
Rating 4.5/5 22 reviews Community center

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Rathdrum.

RAIL

Spokane Intermodal Center

42 mi away
221 W. 1st Avenue
BUS

Deer Park, WA

46 mi away
822 South Main Street
RAIL

Sandpoint station

53 mi away
450 Railroad Avenue
BUS

Loon Lake, WA

61 mi away
State Highway 292 & Colville Road

Flight Path Map

This map shows the direct air route between Post Falls and Spirit Lake. Straight-line distance: 17.58 mi (28.3 km).

Post Falls

#1 Post Falls

City in Kootenai County, Idaho, United States

Population36,250
Coordinates47.7179600, -116.9515900
Altitude665
CountryUnited States
Spirit Lake

#2 Spirit Lake

City in Kootenai County, Idaho, United States

Population2,533
Coordinates47.9662900, -116.8685300
Altitude783
CountryUnited States
Start: Post Falls (-116.95159, 47.71796)
End: Spirit Lake (-116.86853, 47.96629)

Estimated Travel Time

Distance: 34 km by road

SpeedTime
30 mph (48.3 km/h)00h 42m
40 mph (64.37 km/h)00h 31m
50 mph (80.47 km/h)00h 25m
60 mph (96.56 km/h)00h 21m
70 mph (112.65 km/h)00h 18m
80 mph (129 km/h)00h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.75 gal
2.83 L · about $2.92
Round trip
$5.84
1.5 gal · 5.66 L
Estimated CO2
6.7 kg one way
Round trip: 13.3 kg / 29 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $2.92 $5.84
Mid-grade $4.23 $3.17 $6.35
Premium $4.55 $3.41 $6.82
Diesel $5.41 $4.06 $8.12

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

There is no time difference between Post Falls and Spirit Lake. The current time is 01:16:24.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.