The drive from Coeur d'Alene, ID to Blackfoot, ID covers 503.1 miles and takes about 8h 15m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on I 90, I 15, Sherman Avenue for much of the mileage,
and the overall profile is long-distance drive.
The longest uninterrupted segment is about 275.3 miles on I 90.
At current regular gas prices, budget about $79.72 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
251.5 miles from Coeur d'Alene, ID
A natural place for your longest stop of the day
, about 4h 14m into the drive
.
Who Is This Route For?
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
At 503.1 miles and 8h 15m of driving, this is a route where fuel stops, weather, and timing matter more than any single turn. The main roads are I 90 and I 15.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 90 is the longest continuous segment at about 275.3 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 90 and I 15. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.2 miles in near North 7th Street.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 8h 15m, endurance matters. Plan breaks every 2-3 hours. The 11 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (North 7th Street): Navigation decision point; at 276.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 501.4 miles (I 15 Business; US 26): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 11 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
5
0.2 mi into trip|~0m in|North 7th Street
Turn right onto North 7th Street
Navigation decision point
5
276.9 mi into trip|~4h 40m in
Take the exit toward I 15 South: Dillon, Idaho Falls
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 15 South: Dillon, Idaho Falls
5
501.4 mi into trip|~8h 11m in|I 15 Business; US 26
Take the exit onto I 15 Business; US 26 toward I 15 Business, US 26, ID 39: Blackfoot, Aberdeen
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 15 Business, US 26, ID 39: Blackfoot,...
5
503 mi into trip|~8h 14m in|West Pacific Street
Turn right onto West Pacific Street
Navigation decision point
5
503 mi into trip|~8h 15m in|North Broadway Street
Turn left onto North Broadway Street
Navigation decision point
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Coeur d'Alene, ID to Blackfoot, ID, road signs begin pointing toward Idaho Falls along the way.
Idaho Falls
276.9 mi in|~4h 40m
Main Roads
Road
Distance
Duration
I 90
275.3 mi
4h 36m
I 15
224 mi
3h 30m
Sherman Avenue
1.2 mi
1m
Bergener Boulevard
0.6 mi
1m
West Judicial Street
0.4 mi
<1m
North 7th Street
0.3 mi
<1m
I 15 Business
0.3 mi
<1m
East Garden Avenue
0.2 mi
<1m
Longest stretch:
I 90
— 275.3 mi, about 4h 36m
Turn-by-Turn Driving Directions
Step-by-step road directions between Coeur d'Alene, ID and Blackfoot, ID.
1
Start on East Garden Avenue
0.2 mi·43 sec·East Garden Avenue
2
Turn right onto North 7th Street
0.3 mi·50 sec·North 7th Street
3
Turn left onto Sherman Avenue
1.2 mi·1 min·Sherman Avenue
4
Take the ramp onto I 90
275 mi·4 hr 36 min·I 90
Toward I 90 East
5
Take the exit
0.5 mi·1 min
Toward I 15 South: Dillon, Idaho Falls
6
Merge onto I 15
224 mi·3 hr 30 min·I 15
7
Take the exit onto I 15 Business; US 26
0.3 mi·42 sec·I 15 Business; US 26
Toward I 15 Business, US 26, ID 39: Blackfoot, Aberdeen
8
Turn left onto I 15 Business; US 26
0.6 mi·1 min·Bergener Boulevard
9
Continue on I 15 Business
450 ft·7 sec·West Bridge Street
10
Continue on I 15 Business
0.4 mi·43 sec·West Judicial Street
11
Turn left onto South Ash Street
0.1 mi·20 sec·South Ash Street
12
Turn right onto West Pacific Street
333 ft·14 sec·West Pacific Street
13
Turn left onto North Broadway Street
156 ft·12 sec·North Broadway Street
14
Turn left
35 ft·2 sec
15
Arrive at destination
Trip Plan
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 251.5 miles from Coeur d'Alene, ID, or about 4h 14m into the drive.
The longest continuous stretch on this route runs about 275.3 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 111 miles or 1h 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 251.5 miles or 4h 14m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 251.5 miles or 4h 14m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 7h 17m
Traffic, exits, and arrival timing usually matter more near Blackfoot, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Coeur d'Alene, ID so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Coeur d'Alene, ID
Aim for roughly 252 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Blackfoot, ID
Aim for roughly 252 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 111 miles from Coeur d'Alene, ID.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 90 for about 275.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 251.5 mi from Coeur d'Alene, ID
· 4h 14m into the drive
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $53 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
150.9
1
$52.83
$24.15
Efficient EV
125.8
1
$44.02
$20.12
EV Truck/SUV
201.2
2
$70.43
$32.20
Gas CO2
176 kg
EV CO2
59 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Coeur d'Alene, ID
Night
in Coeur d'Alene on Friday
Local time
9:17 PM
PDT
Current temp
46°F
Unavailable
Live forecast
Destination
Blackfoot, ID
Night
in Blackfoot on Friday
Local time
10:17 PM
MDT
Current temp
39°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
1 hour later
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
7 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8h 15m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Coeur d'Alene, ID to Blackfoot, ID covers 503.1 miles and takes about 8h 15m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, I 15, Sherman Avenue. Expect a mix of highway and local road driving.
Consider an overnight stop or starting very early.
Yes. This route is usually more comfortable as a 2-day drive. A sensible stopping point is after roughly 252 miles on day one.
The midpoint is about 251.5 miles from Coeur d'Alene, ID. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $79.72 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
The route itself is not hard, but at 8h 15m, endurance matters. Plan breaks every 2-3 hours. The 11 decision points are all manageable with basic attention.
The main spots that need attention: at 0.2 miles (North 7th Street): Navigation decision point; at 276.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 501.4 miles (I 15 Business; US 26): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
On the drive from Coeur d'Alene, ID to Blackfoot, ID, road signs begin pointing toward Idaho Falls along the way.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, NREL for EV charging, and NPS for national parks. See our methodology for refresh cadence and limitations.
