Spanning 436.4 miles from Sun Valley to Coeur d'Alene, this journey through the Idaho Mountain West requires approximately 9 hours and 38 minutes of drive time. Because of the significant distance, we strongly recommend splitting this trip over two days rather than attempting it in a single push. You should budget roughly $69 for fuel to cover the trek. The route utilizes a mix of US 93, the Jeannette Rankin Memorial Highway, and Trail Creek Road. Approaching this as a multi-day excursion allows you to manage the long hours behind the wheel comfortably while enjoying the transition between these two distinct Idaho destinations.
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
218.2 miles from Sun Valley, ID
A natural place for your longest stop of the day
, about 5h 28m into the drive
.
Main Roads
Road
Distance
Duration
US 93
227.9 mi
4h 56m
Jeannette Rankin Memorial Highway
159.1 mi
2h 47m
Trail Creek Road
36.3 mi
1h 27m
South Reserve Street
5.4 mi
9m
Old Chilly Road
2.7 mi
6m
East Sherman Avenue
1.4 mi
2m
Sun Valley Road
0.9 mi
2m
Main Street
0.7 mi
1m
Longest stretch:
US 93
— 227.9 mi, about 4h 56m
Traffic on I-90
Hour-of-day weekday pattern from 40 FHWA count stations on your route.
Peak
3 PM
~486 veh/hr typical
· worst 745
Quietest
2 AM
~36 veh/hr
Peak-to-quiet ratio
13.5×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Sun Valley, ID and Coeur d'Alene, ID.
1
Start on Inn Entry Lane
290 ft·13 sec·Inn Entry Lane
2
Turn left onto Moritz Road
0.2 mi·39 sec·Moritz Road
3
At end of road, turn right onto ID 75 Spur
0.9 mi·2 min·Sun Valley Road
4
Continue on ID 75 Spur; FR 51
36 mi·1 hr 27 min·Trail Creek Road
5
Turn left onto Old Chilly Road
2.7 mi·6 min·Old Chilly Road
6
Continue on this road
0.3 mi·47 sec·this road
7
Turn left onto US 93
92 mi·1 hr 57 min·US 93
8
Turn left onto US 93
0.7 mi·1 min·Main Street
9
Turn slight right onto US 93
136 mi·2 hr 59 min·US 93
Toward US 93: MissoulaUse the straight lane.
10
Continue on Brooks Street
0.6 mi·1 min·Brooks Street
Use the straight / right lanes.
11
Turn left onto South Reserve Street
5.4 mi·9 min·South Reserve Street
Use the straight lane.
12
Turn left onto I 90 Business; US 93
0.3 mi·44 sec·I 90 Business; US 93
Toward I 90 West, US 93 North, MT 200 West: Kalispell, Coeur D' Alene
13
Merge onto I 90; US 93; MT 200
159 mi·2 hr 47 min·Jeannette Rankin Memorial Highway
14
Take the exit
0.2 mi·38 sec
Toward Sherman Avenue
15
Turn left onto East Sherman Avenue
1.4 mi·2 min·East Sherman Avenue
Use the left lane.
16
Turn right onto North 4th Street
0.3 mi·55 sec·North 4th Street
17
Turn right onto East Garden Avenue
139 ft·6 sec·East Garden Avenue
18
Arrive at destination
East Garden Avenue
Trip Plan
To make the most of your 436.4-mile journey, plan for at least two intentional stops to break up the nearly 10-hour duration. Because the drive is substantial, departing early in the morning is your best strategy to avoid fatigue and ensure you reach your destination with daylight. Keep a close eye on your fuel gauge, especially during that 227.9-mile stretch on US 93 where service intervals may vary. Since you are navigating a mix of roads, check your tire pressure and fluid levels before leaving Sun Valley to ensure your vehicle is ready for the diverse terrain. Taking the time to pace yourself over two days will turn a long transit into a much more manageable experience.
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 218.2 miles from Sun Valley, ID, or about 5h 28m into the drive.
The longest continuous stretch on this route runs about 227.9 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 96 miles or 2h 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 218.2 miles or 5h 28m 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 218.2 miles or 5h 28m
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 8h 33m
Traffic, exits, and arrival timing usually matter more near Coeur d'Alene, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Sun Valley, 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 Sun Valley, ID
Aim for roughly 218 miles and 4.8 hours of wheel time on this day.
Day 2
Finish the approach into Coeur d'Alene, ID
Aim for roughly 218 miles and 4.8 hours of wheel time on this day.
Your first comfortable stop window is around 96 miles from Sun Valley, 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 US 93 for about 227.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 13
5 decision points cluster between mile 0.2 and 436.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.2 mi into trip|~0m in|ID 75 Spur / Sun Valley Road
At end of road, turn right onto ID 75 Spur / Sun Valley Road
Navigation decision point
5
269.5 mi into trip|~6h 37m in|South Reserve Street
Turn left onto South Reserve Street
Lane positioning matters here
Use the straight lane.
5
274.9 mi into trip|~6h 46m in|I 90 Business; US 93
Turn left onto I 90 Business; US 93 toward I 90 West, US 93 North, MT 200 West: Kalispell, Coeur D' Alene
Multiple destination signs - pick the right one
Toward I 90 West, US 93 North, MT 200 West: Kal...
6
434.6 mi into trip|~9h 35m in|East Sherman Avenue
Turn left onto East Sherman Avenue
Lane positioning matters here
Use the left lane.
5
436.3 mi into trip|~9h 38m in|East Garden Avenue
Turn right onto East Garden Avenue
Navigation decision point
Fuel & Cost
Regular Gas
$68.02 one way
$136.04 round trip
$3.96/gal25.4 MPG avg153 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.17
$71.70
$143.39
premium
$4.47
$76.87
$153.74
diesel
$4.80
$82.40
$164.80
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$68
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$198–$308
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 152.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $46 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
130.9
1
$45.82
$20.95
Efficient EV
109.1
1
$38.19
$17.46
EV Truck/SUV
174.6
2
$61.10
$27.93
Gas CO2
153 kg
EV CO2
51 kg (67% 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 Jul 17, 2026
Origin
Sun Valley, ID
Late night
in Sun Valley on Sunday
Local time
2:57 AM
MDT
Current temp
56°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
ENE 5 mph22% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 6:39PM MDT by NWS Boise ID
Special Weather Statement
Special Weather Statement issued July 16 at 6:23PM MDT by NWS Boise ID
Destination
Coeur d'Alene, ID
Late night
in Coeur d'Alene on Sunday
Local time
1:57 AM
PDT
Current temp
100°F
Chance Showers And Thunderstorms
NE 2 mph31% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 6:39PM MDT by NWS Boise ID
Special Weather Statement
Special Weather Statement issued July 16 at 6:23PM MDT by NWS Boise ID
92°F
Hamilton, MT
218 mi in
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 earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
44 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 38m 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.
More Details
What kind of drive is this?
Expect a varied experience on this route, which is characterized as a mixed drive with 52% of your time spent on highways. The road's personality shifts significantly as you navigate the transition from local stretches to faster corridors. You will encounter a substantial longest stretch of 227.9 miles on US 93, which demands steady focus and careful pacing. While the highway portions offer efficiency, the secondary roads provide a different rhythm, requiring more attention to navigation and changing conditions. This combination keeps the drive engaging, though you should prepare for the endurance required by the lengthy US 93 segment.
52% highway, the rest on surface roads — varied driving throughout.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 227.9 mi on US 93.
How Hard Is This Drive?
4/10
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.2 miles in near ID 75 Spur / Sun Valley Road.
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 9h 38m, endurance matters. Plan breaks every 2-3 hours. The 13 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (ID 75 Spur / Sun Valley Road): Navigation decision point; at 269.5 miles (South Reserve Street): Lane positioning matters here; at 274.9 miles (I 90 Business; US 93): Multiple destination signs - pick the right one.
Elevation Profile
High-altitude sections with notable climbs
6,566 ft2,191 ft
Total Climb
3,243 ft
Total Descent
7,003 ft
Highest Point
6,566 ft
~31.2 mi in
Elevation Range
4,375 ft
Notable High Points
6,566 ft at ~31.2 miles+615 ft prominence
4,848 ft at ~187 miles+1,116 ft prominence
4,126 ft at ~374 miles+1,482 ft prominence
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 Sun Valley, ID to Coeur d'Alene, ID, road signs begin pointing toward Coeur D' Alene along the way.
Coeur D' Alene
274.9 mi in|~6h 46m|via I 90 Business; US 93
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
The longest stretch is about 227.9 miles on US 93. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 218 miles on day one.
Yes — we found about 11 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This is a long drive, so arriving tired and in the dark compounds. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Coeur d'Alene, ID before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 11 rest areas along the route for bathroom stops.
Mostly yes along the main roads, but rural stretches through ID can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 0.2 miles (ID 75 Spur / Sun Valley Road): Navigation decision point; at 269.5 miles (South Reserve Street): Lane positioning matters here; at 274.9 miles (I 90 Business; US 93): Multiple destination signs - pick the right one.
Not recommended in a single day. At 9.6 hours each way, a round trip means 19.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Coeur d'Alene, ID before the return drive.
