How far is Idaho Falls, ID from Bonners Ferry, ID?
The driving distance from Idaho Falls, ID to Bonners Ferry, ID is about 556.3 miles (895.2 km), with a travel time of about 09h 31m by car.
- The straight-line flight distance is about 415.1 miles (668 km).
- For a round trip, plan for roughly 19h 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 09h 31m.
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.
Slight Chance Snow Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Idaho Falls and Bonners Ferry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls and Bonners Ferry.
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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
278.5 mi · 4 hr 42 min
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15
Take the exit slight right
1277 ft · 35 sec
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16
Turn right
75.6 mi · 1 hr 34 min
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17
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Idaho Falls and Bonners Ferry.
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
278 mi · 04h 42m
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.
Slight Chance Snow Showers leaving Idaho Falls and Mostly Sunny near Bonners Ferry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Idaho Falls to Bonners Ferry?
The road trip is about 556.3 miles (895.2 km) and usually takes 09h 31m 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 277.9 miles from Idaho Falls and 278.4 miles from Bonners Ferry.
How much longer is the road route than the straight-line distance?
The direct path is about 415.1 miles (668 km), while the road route adds roughly 141.2 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 $76.42 one way or $152.84 round trip. Estimated CO2 is about 174.5 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 Bonners Ferry, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Idaho Falls and Mostly Sunny near Bonners Ferry.
Flight Path Map
This map shows the direct air route between Idaho Falls and Bonners Ferry. Straight-line distance: 415.09 mi (668.03 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 Bonners Ferry
City in Idaho
| Population | 2,637 |
| Coordinates | 48.6913300, -116.3163100 |
| Altitude | 578 |
| Country | United States |
End: Bonners Ferry (-116.31631, 48.69133)
Estimated Travel Time
Distance: 895 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 32m |
| 40 mph (64.37 km/h) | 13h 54m |
| 50 mph (80.47 km/h) | 11h 07m |
| 60 mph (96.56 km/h) | 09h 16m |
| 70 mph (112.65 km/h) | 07h 56m |
| 80 mph (129 km/h) | 06h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $76.42 | $152.84 |
| Mid-grade | $4.23 | $83.05 | $166.11 |
| Premium | $4.55 | $89.30 | $178.59 |
| Diesel | $5.41 | $106.24 | $212.48 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.