Spanning 434.6 miles across the Mountain West, this trip from Rathdrum to Nampa is a significant journey that takes approximately 8 hours and 8 minutes of drive time. While technically possible in a long single day, splitting the trek over 2 recommended days allows for a more comfortable pace. You will navigate via I-90, the Thomas S. Foley Memorial Highway, and the Old Oregon Trail Highway throughout the route. Budgeting about $69 for fuel is a smart starting point for your planning. Ultimately, this journey is best approached as a multi-day adventure to ensure you stay refreshed while traversing the Idaho landscape.
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
217.3 miles from Rathdrum, ID
A natural place for your longest stop of the day
, about 4h 12m into the drive
.
Main Roads
Road
Distance
Duration
Old Oregon Trail Highway
215.2 mi
3h 48m
Thomas S. Foley Memorial Highway
73.7 mi
1h 19m
I 90
56.6 mi
1h
Lewis and Clark Trail Highway
23.7 mi
26m
East Trent Avenue
12.1 mi
17m
Spokane Valley Freeway
9.3 mi
11m
West Highway 53
8.6 mi
12m
Umatilla-Stanfield Highway
8.4 mi
9m
Longest stretch:
Old Oregon Trail Highway
— 215.2 mi, about 3h 48m
Turn-by-Turn Driving Directions
Step-by-step road directions between Rathdrum, ID and Nampa, ID.
1
Start on ID 53
8.6 mi·12 min·West Highway 53
2
Continue on WA 290
5.9 mi·8 min·East Trent Avenue
3
Enter roundabout onto East Trent Avenue
88 ft·1 sec·East Trent Avenue
4
Continue on East Trent Avenue
6.2 mi·9 min·East Trent Avenue
5
Turn left onto North Argonne Road
0.5 mi·1 min·North Argonne Road
6
Take the ramp
0.4 mi·45 sec
Toward Spokane
7
Merge onto I 90
9.3 mi·11 min·Spokane Valley Freeway
8
Keep slight left at fork onto I 90; US 395
57 mi·1 hr·I 90; US 395
9
Keep slight right at fork onto US 395
74 mi·1 hr 19 min·Thomas S. Foley Memorial Highway
Toward Ritzville, Pasco
10
Take the exit onto US 395
0.6 mi·1 min·US 395
Toward I 182 West, US 395 South: Richland, Pendleton
11
Merge onto I 182; US 12; US 395
1.9 mi·2 min·Lewis and Clark Trail
12
Keep slight right at fork onto US 395
3.8 mi·5 min·Lewis and Clark Trail
Toward US 395: Kennewick, Pendleton, Columbia Basin College, Tri Cities Airport
13
Continue on US 395
1.1 mi·2 min·North US 395
14
Continue on US 395
24 mi·26 min·Lewis and Clark Trail Highway
15
Take the exit onto US 395
0.2 mi·22 sec·US 395
Toward US 395 south, US 730: Umatilla, Hermiston, Irrigon
16
Keep slight left at fork onto US 395
171 ft·10 sec·US 395
Toward US 395 south, US 730: Umatilla, Hermiston, Irrigon
17
Turn left onto US 395; US 730
0.8 mi·57 sec·Columbia River Highway
18
Turn right onto US 395
3.8 mi·4 min·Umatilla-Stanfield Highway
19
Continue on US 395
0.5 mi·44 sec·North 1st Street
20
Turn left onto East Theater Lane
0.3 mi·40 sec·East Theater Lane
21
Turn right onto Northeast 4th Street
1.6 mi·2 min·Northeast 4th Street
22
Turn left onto US 395
3.2 mi·3 min·Umatilla-Stanfield Highway
23
Continue on US 395
2.0 mi·2 min·North Main Street
24
Continue on US 395
1.4 mi·1 min·Umatilla-Stanfield Highway
25
Take the exit onto US 395
0.5 mi·1 min·US 395
Toward US 395 North: Stanfield
26
Merge onto I 84; US 30; US 395
215 mi·3 hr 48 min·Old Oregon Trail Highway
Use the straight / slight right lanes.
27
Continue on I 84; US 20; US 26; US 30
0.7 mi·47 sec·Idaho Medal of Honor Highway
28
Continue on I 84; US 20; US 26; US 30
7.4 mi·8 min·Vietnam Veterans Memorial Highway
Use the straight / slight right lanes.
29
Take the exit
0.2 mi·23 sec
Toward Northside
30
Keep slight right at fork
0.1 mi·17 sec
Use the left / right lanes.
31
Turn straight onto Northside Boulevard
1.0 mi·1 min·Northside Boulevard
32
Continue on North Yale Street
0.4 mi·39 sec·North Yale Street
33
Continue on 7th Street South
0.8 mi·1 min·7th Street South
34
Turn right onto 16th Avenue South
0.2 mi·30 sec·16th Avenue South
35
Continue on Holly Street
0.3 mi·46 sec·Holly Street
36
Continue on East Sheridan Avenue
0.1 mi·16 sec·East Sheridan Avenue
37
Continue on Fern Street
0.3 mi·37 sec·Fern Street
38
Continue on East Bird Avenue
0.2 mi·27 sec·East Bird Avenue
39
Continue on Holly Street
0.3 mi·44 sec·Holly Street
40
Continue on Sunny Ridge Road
1.0 mi·2 min·Sunny Ridge Road
41
Turn right onto Stony Meadow Drive
187 ft·8 sec·Stony Meadow Drive
42
Arrive at destination
Stony Meadow Drive
Trip Plan
Planning for this 8-hour and 8-minute trip is easier when you account for at least 2 planned stops to break up the drive. Since you are facing a long haul, consider breaking the journey into two days to avoid fatigue on the more technical, turn-heavy sections. Keep a close eye on your fuel gauge, especially when transitioning off the main highways, to ensure you stay within your estimated $69 budget. Since the route is primarily local, prioritize daylight driving to better navigate the turns safely. A key tip is to prioritize your first stop before or after the 215.2-mile stretch on the Old Oregon Trail Highway to keep your energy levels consistent throughout the day.
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 217.3 miles from Rathdrum, ID, or about 4h 12m into the drive.
The longest continuous stretch on this route runs about 215.2 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 1h 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 217.3 miles or 4h 12m 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 217.3 miles or 4h 12m
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 6h 59m
Traffic, exits, and arrival timing usually matter more near Nampa, ID than in the middle of the route.
Before You Leave
+
Open the route before leaving Rathdrum, 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 Rathdrum, ID
Aim for roughly 217 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Nampa, ID
Aim for roughly 217 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 96 miles from Rathdrum, 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 Old Oregon Trail Highway for about 215.2 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 21
5 decision points cluster between mile 87.4 and 429.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
87.4 mi into trip|~1h 44m in|US 395 / Thomas S. Foley Memorial Highway
Keep slight right at fork onto US 395 / Thomas S. Foley Memorial Highway toward Ritzville, Pasco
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward Ritzville, Pasco
5
161.1 mi into trip|~3h 3m in|US 395
Take the exit onto US 395 toward I 182 West, US 395 South: Richland, Pendleton
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 182 West, US 395 South: Richland, Pend...
6
163.5 mi into trip|~3h 7m in|US 395 / Lewis and Clark Trail
Keep slight right at fork onto US 395 / Lewis and Clark Trail toward US 395: Kennewick, Pendleton, Columbia Basin College, Tri Cities Airport
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward US 395: Kennewick, Pendleton, Columbia B...
7
192.3 mi into trip|~3h 42m in|US 395
Keep slight left at fork onto US 395 toward US 395 south, US 730: Umatilla, Hermiston, Irrigon
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward US 395 south, US 730: Umatilla, Hermisto...
7
429.9 mi into trip|~7h 58m in
Keep slight right at fork
Highway fork - watch signs carefully. Lane positioning matters here
Use the left / right lanes.
Fuel & Cost
Regular Gas
$68.87 one way
$137.74 round trip
$4.03/gal25.4 MPG avg152 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$72.19
$144.38
premium
$4.53
$77.53
$155.05
diesel
$5.61
$95.95
$191.91
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$69
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$199–$309
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 152.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $46 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
130.4
1
$45.63
$20.86
Efficient EV
108.7
1
$38.03
$17.38
EV Truck/SUV
173.8
2
$60.84
$27.81
Gas CO2
152 kg
EV CO2
51 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 12, 2026
Origin
Rathdrum, ID
Evening
in Rathdrum on Saturday
Local time
6:08 PM
PDT
Current temp
43°F
Partly Cloudy
E 2 mph8% chanceLive forecast
Destination
Nampa, ID
Evening
in Nampa on Saturday
Local time
7:08 PM
MDT
Current temp
46°F
Rain Showers Likely
SE 6 mph69% chanceLive 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
3 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
8h 8m 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 driving experience that transitions from turn-heavy local roads to more consistent highway travel. With only 18% of the journey on major highways, you will spend most of your time navigating local stretches that require your full attention. The longest uninterrupted section hits 215.2 miles along the Old Oregon Trail Highway, providing a significant chunk of steady cruising. Because the route is categorized as a turn-heavy local drive, you should prepare for a dynamic road profile rather than a monotonous interstate grind. Stay alert as the road character shifts, requiring you to adapt your driving style as you move between tighter local sections and the longer, more open highway segments.
Only 18% highway — the rest is turn-by-turn surface driving.
42 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 215.2 mi on Old Oregon Trail Highway.
How Hard Is This Drive?
8/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 87.4 miles in near US 395 / Thomas S. Foley Memorial Highway.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 21 significant decision points across 434.6 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 87.4 miles (US 395 / Thomas S. Foley Memorial Highway): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 161.1 miles (US 395): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 163.5 miles (US 395 / Lewis and Clark Trail): Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
3,769 ft414 ft
Total Climb
4,735 ft
Total Descent
4,423 ft
Highest Point
3,769 ft
~253.5 mi in
Elevation Range
3,356 ft
Notable High Points
3,769 ft at ~253.5 miles+808 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Rathdrum, ID and Nampa, ID, road signs point toward Ritzville, Pasco, Pendleton, Columbia Basin College, Tri Cities Airport and Hermiston - among others.
Ritzville
87.4 mi in|~1h 44m|via US 395
Pasco
87.4 mi in|~1h 44m|via US 395
Pendleton
161.1 mi in|~3h 3m|via US 395
Columbia Basin College
163.5 mi in|~3h 7m|via US 395
Tri Cities Airport
163.5 mi in|~3h 7m|via US 395
Hermiston
192.2 mi in|~3h 41m|via US 395
Irrigon
192.2 mi in|~3h 41m|via US 395
Who Is This Route For?
Solo Traveler
8h 8m drive, plan rest stops for pacing.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 215.2 miles on Old Oregon Trail Highway. 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 217 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Nampa, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
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 87.4 miles (US 395 / Thomas S. Foley Memorial Highway): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 161.1 miles (US 395): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 163.5 miles (US 395 / Lewis and Clark Trail): Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Not recommended in a single day. At 8.1 hours each way, a round trip means 16.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Nampa, ID before the return drive.
