How far is Lewiston, ID from Blackfoot, ID?
The driving distance from Lewiston, ID to Blackfoot, ID is about 523.1 miles (841.8 km), with a travel time of about 09h 52m by car.
- The straight-line flight distance is about 319.5 miles (514.2 km).
- For a round trip, plan for roughly 19h 44m 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 52m.
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 Ada County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Mostly Sunny then Slight Chance Light Rain
Driving Route Map
The map below follows the saved road route between Lewiston and Blackfoot.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewiston and Blackfoot.
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1
Start on the route
32 m · 10 sec
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2
Turn right onto Idaho Street
1 km · 2 min · Idaho Street
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3
Turn right onto 19th Street
88 m · 18 sec · 19th Street
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4
Turn left onto 7th Avenue
669 ft · 31 sec · 7th Avenue
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5
At the end of the road, turn left onto 21st Street
103 m · 10 sec · 21st Street
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6
Continue straight
1.6 km · 2 min
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7
Keep slight right to continue on US 95 South: Missoula, Boise
9.3 mi · 11 min
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8
Continue straight
58.6 mi · 1 hr 8 min
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9
Turn right onto Johnston Road
2.2 mi · 5 min · Johnston Road
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10
Turn right
76.4 mi · 1 hr 27 min
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11
Turn left
10.6 mi · 16 min
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12
Turn right onto Boydstun Street
1.5 km · 2 min · Boydstun Street
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13
Continue on East Deinhard Lane
1.6 mi · 3 min · East Deinhard Lane
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14
Turn right onto South 3rd Street
45.6 mi · 1 hr 2 min · South 3rd Street
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15
Continue on ID 55
18.5 mi · 25 min · ID 55
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16
Continue on Highway 55
12.6 mi · 17 min · Highway 55
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17
Continue on Horseshoe Bend Road
1.3 mi · 2 min · Horseshoe Bend Road
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18
Continue on ID 55
2 mi · 5 min · ID 55
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19
Continue on Horseshoe Bend Road
2105 ft · 30 sec · Horseshoe Bend Road
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20
Continue on Highway 55
2.4 mi · 3 min · Highway 55
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21
Continue on Payette River Scenic Byway
5.9 mi · 7 min · Payette River Scenic Byway
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22
Continue on North Horseshoe Bend Road
8.9 mi · 12 min · North Horseshoe Bend Road
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23
Turn left onto East State Street
2.4 mi · 4 min · East State Street
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24
Turn right onto North Glenwood Street
1.7 mi · 4 min · North Glenwood Street
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25
Turn left onto North Mountain View Drive
1056 ft · 38 sec · North Mountain View Drive
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26
Turn right onto North Cole Road
2.6 mi · 6 min · North Cole Road
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27
Continue on South Cole Road
1.2 mi · 3 min · South Cole Road
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28
Take the ramp left toward I 84 East
1965 ft · 48 sec
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29
Merge slight left onto Vietnam Veterans Memorial Highway
170.7 mi · 2 hr 41 min · Vietnam Veterans Memorial Highway
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30
Continue straight
62.7 mi · 59 min
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31
Keep slight left to continue on Idaho Falls
3046 ft · 40 sec
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32
Merge slight right
19.8 mi · 19 min
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33
Take the exit slight right toward US 26, ID 39: Blackfoot, Arco
1230 ft · 30 sec
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34
Keep slight right
131 m · 11 sec
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35
Turn straight onto Bergener Boulevard
2185 ft · 41 sec · Bergener Boulevard
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36
Continue on West Bridge Street
137 m · 8 sec · West Bridge Street
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37
Continue on West Judicial Street
2260 ft · 44 sec · West Judicial Street
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38
Turn left onto South Ash Street
673 ft · 20 sec · South Ash Street
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39
Turn right onto West Pacific Street
102 m · 14 sec · West Pacific Street
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40
Turn left onto North Broadway Street
48 m · 12 sec · North Broadway Street
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41
Turn left
11 m · 3 sec
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42
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lewiston and Blackfoot.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Vietnam Veterans Memorial Highway
Merge slight left onto Vietnam Veterans Memorial Highway
171 mi · 02h 41m
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.
Light Rain leaving Lewiston and Mostly Sunny then Slight Chance Light Rain near Blackfoot.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lewiston to Blackfoot?
The road trip is about 523.1 miles (841.8 km) and usually takes 09h 52m 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?
Eagle is a useful midpoint, sitting about 261.3 miles from Lewiston and 261.8 miles from Blackfoot.
How much longer is the road route than the straight-line distance?
The direct path is about 319.5 miles (514.2 km), while the road route adds roughly 203.6 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 $71.86 one way or $143.73 round trip. Estimated CO2 is about 164.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lewiston and Blackfoot, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Light Rain around Lewiston and Mostly Sunny then Slight Chance Light Rain near Blackfoot.
Stop Ideas Near Eagle
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 Eagle.
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Flight Path Map
This map shows the direct air route between Lewiston and Blackfoot. Straight-line distance: 319.52 mi (514.21 km).
#1 Lewiston
City in Nez Perce County, Idaho, USA
| Population | 32,788 |
| Coordinates | 46.4165500, -117.0176600 |
| Altitude | 227 |
| Country | United States |
#2 Blackfoot
City in Bingham County, Idaho, United States
| Population | 12,034 |
| Coordinates | 43.1904700, -112.3449800 |
| Altitude | 1371 |
| Country | United States |
End: Blackfoot (-112.34498, 43.19047)
Estimated Travel Time
Distance: 842 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 25m |
| 40 mph (64.37 km/h) | 13h 04m |
| 50 mph (80.47 km/h) | 10h 27m |
| 60 mph (96.56 km/h) | 08h 43m |
| 70 mph (112.65 km/h) | 07h 28m |
| 80 mph (129 km/h) | 06h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $71.86 | $143.73 |
| Mid-grade | $4.23 | $78.10 | $156.21 |
| Premium | $4.55 | $83.97 | $167.95 |
| Diesel | $5.41 | $99.91 | $199.81 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.