How far is Idaho Falls, ID from Lapwai, ID?
The driving distance from Idaho Falls, ID to Lapwai, ID is about 527.6 miles (849.1 km), with a travel time of about 09h 45m by car.
- The straight-line flight distance is about 309.2 miles (497.6 km).
- For a round trip, plan for roughly 19h 31m 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 09h 45m.
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
Driving Route Map
The map below follows the saved road route between Idaho Falls and Lapwai.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Lapwai.
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1
Start on Charleston Lane
46 m · 9 sec · Charleston Lane
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2
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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3
Turn left onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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4
Continue on South Boulevard
1.6 km · 3 min · South Boulevard
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5
Turn left onto East 17th Street
3012 ft · 53 sec · East 17th Street
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6
Continue on Pancheri Drive
1964 ft · 47 sec · Pancheri Drive
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7
Turn right onto South Utah Avenue
776 ft · 16 sec · South Utah Avenue
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8
Enter the roundabout and take exit 2 toward South Utah Avenue
68 m · 4 sec · South Utah Avenue
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9
Exit the roundabout onto South Utah Avenue
2440 ft · 58 sec · South Utah Avenue
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10
Turn left onto West Broadway Street
1513 ft · 35 sec · West Broadway Street
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11
Take the ramp right toward I15 North: Roberts, Butte
1128 ft · 28 sec
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12
Merge slight left onto Veterans Memorial Highway
198.2 mi · 3 hr 6 min · Veterans Memorial Highway
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13
Take the exit slight left toward I 90 West: Missoula
2808 ft · 1 min
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14
Merge slight left onto I 90 West: Missoula
112.1 mi · 1 hr 46 min
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15
Take the exit slight right toward US 12 West, I 90 Business
1037 ft · 26 sec
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16
Enter the roundabout and take exit 3 toward Van Buren Street
63 m · 3 sec · Van Buren Street
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17
Exit the roundabout onto Van Buren Street
65 m · 4 sec · Van Buren Street
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18
Enter the roundabout and take exit 1 toward Van Buren Street
28 m · 1 sec · Van Buren Street
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19
Exit the roundabout onto Van Buren Street
583 ft · 11 sec · Van Buren Street
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20
Turn right onto East Broadway Street
1143 ft · 23 sec · East Broadway Street
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21
Turn left onto Madison Street
1419 ft · 18 sec · Madison Street
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22
Continue on Arthur Avenue
543 ft · 9 sec · Arthur Avenue
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23
Turn right onto South 5th Street East
2052 ft · 36 sec · South 5th Street East
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24
Turn left onto South Higgins Avenue
716 ft · 28 sec · South Higgins Avenue
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25
Turn right onto Brooks Street
3.3 mi · 5 min · Brooks Street
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26
Continue on Bitteroot Road
3 mi · 4 min · Bitteroot Road
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27
Continue on US Highway 93 South
4 mi · 6 min · US Highway 93 South
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28
Turn right onto Lolo Creek Road
32.6 mi · 39 min · Lolo Creek Road
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29
Continue straight
164.1 mi · 3 hr 43 min
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30
Merge slight left
4.8 mi · 6 min
-
31
Turn right onto Main Street North
1361 ft · 37 sec · Main Street North
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32
Arrive at your destination
0 m · 1 sec · Main Street South
Car Route Details
A richer read on the saved driving route between Idaho Falls and Lapwai.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Veterans Memorial Highway
Merge slight left onto Veterans Memorial Highway
198 mi · 03h 06m
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.
Sunny leaving Idaho Falls and Mostly Sunny near Lapwai.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Lapwai?
The road trip is about 527.6 miles (849.1 km) and usually takes 09h 45m 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 263.5 miles from Idaho Falls and 264 miles from Lapwai.
How much longer is the road route than the straight-line distance?
The direct path is about 309.2 miles (497.6 km), while the road route adds roughly 218.4 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 $72.49 one way or $144.98 round trip. Estimated CO2 is about 165.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Idaho Falls and Lapwai, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Idaho Falls and Mostly Sunny near Lapwai.
Flight Path Map
This map shows the direct air route between Idaho Falls and Lapwai. Straight-line distance: 309.19 mi (497.6 km).
#1 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
#2 Lapwai
City in Nez Perce County, Idaho, United States
| Population | 1,137 |
| Coordinates | 46.4048900, -116.8048700 |
| Altitude | 291 |
| Country | United States |
End: Lapwai (-116.80487, 46.40489)
Estimated Travel Time
Distance: 849 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 34m |
| 40 mph (64.37 km/h) | 13h 11m |
| 50 mph (80.47 km/h) | 10h 33m |
| 60 mph (96.56 km/h) | 08h 47m |
| 70 mph (112.65 km/h) | 07h 32m |
| 80 mph (129 km/h) | 06h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $72.49 | $144.98 |
| Mid-grade | $4.23 | $78.78 | $157.56 |
| Premium | $4.55 | $84.70 | $169.40 |
| Diesel | $5.41 | $100.77 | $201.54 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.