Connecting Idaho Falls to Nampa, this 298.9-mile journey across the Mountain West takes approximately 4 hours and 54 minutes of driving time. Because the trip is manageable in a single day, you can easily complete it without an overnight stay. You should budget roughly $47 for fuel to cover the distance comfortably. Utilizing the Vietnam Veterans Memorial Highway, I-86, and the Veterans Memorial Highway, the route provides a direct path between these two Idaho hubs. Whether you are traveling for business or a change of scenery, this straightforward drive offers a reliable way to traverse the state.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
149.5 miles from Idaho Falls, ID
A natural place for your longest stop of the day
, about 2h 23m into the drive
.
Main Roads
Road
Distance
Duration
Vietnam Veterans Memorial Highway
183 mi
2h 55m
I 86
62.7 mi
59m
Veterans Memorial Highway
43.1 mi
40m
West Sunnyside Road
2.7 mi
3m
Garrity Boulevard
1.4 mi
2m
East Amity Avenue
1.2 mi
2m
South Kings Road
1.1 mi
2m
Sunny Ridge Road
1 mi
2m
Longest stretch:
Vietnam Veterans Memorial Highway
— 183 mi, about 2h 55m
Traffic on I-84
Hour-of-day weekday pattern from 131 FHWA count stations on your route.
Peak
4 PM
~2,795 veh/hr typical
Quietest
2 AM
~181 veh/hr
Peak-to-quiet ratio
15.4×
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 Idaho Falls, ID and Nampa, ID.
1
Start on Charleston Lane
152 ft·8 sec·Charleston Lane
2
Turn right onto West Stone Run Lane
241 ft·15 sec·West Stone Run Lane
3
Turn left onto Stonebrook Lane
466 ft·20 sec·Stonebrook Lane
4
Turn left onto West Sunnyside Road
2.7 mi·3 min·West Sunnyside Road
5
Take the exit onto I 15 BUS; US 26
0.2 mi·31 sec·I 15 BUS; US 26
Toward Blackfook, Pocatello, Salt Lake City
6
Merge onto I 15; US 26
43 mi·40 min·Veterans Memorial Highway
7
Take the exit
0.6 mi·43 sec
Exit 72Toward I 86 West: Chubbuck, Twin Falls
8
Continue on I 86
63 mi·59 min·I 86
9
Continue on I 84; US 30
183 mi·2 hr 55 min·Vietnam Veterans Memorial Highway
Use the straight / slight right lanes.
10
Take the exit onto I 84 Business
0.4 mi·52 sec·I 84 Business
Exit 38Toward I 84 Business: Garrity Boulevard, Idaho Center BoulevardUse the slight right lane.
11
Turn left onto I 84 Business
1.4 mi·2 min·Garrity Boulevard
12
Turn left onto North Kings Road
0.8 mi·1 min·North Kings Road
Use the left lane.
13
Enter roundabout onto South Kings Road
125 ft·2 sec·South Kings Road
14
Continue on South Kings Road
1.0 mi·2 min·South Kings Road
15
Turn right onto East Amity Avenue
1.2 mi·2 min·East Amity Avenue
16
Continue on Diamond Street
0.2 mi·15 sec·Diamond Street
17
Continue on East Colorado Avenue
0.2 mi·35 sec·East Colorado Avenue
18
Turn left onto Holly Street
0.3 mi·44 sec·Holly Street
19
Continue on Sunny Ridge Road
1.0 mi·2 min·Sunny Ridge Road
20
Turn right onto Stony Meadow Drive
187 ft·8 sec·Stony Meadow Drive
21
Arrive at destination
Stony Meadow Drive
Trip Plan
Since this is a roughly five-hour drive, plan for at least one dedicated stop to stretch your legs and refresh yourself. Leaving early in the day gives you maximum flexibility, allowing you to handle the 298.9-mile distance without feeling rushed. Keep a close eye on your fuel gauge, especially when transitioning off the main highways, to ensure you stay within your $47 budget. Given the turn-heavy nature of the local roads, pace your driving carefully rather than pushing for a non-stop arrival. A helpful tip is to map out your single planned stop in advance, as the shift between highway and local sections can make it easy to miss your ideal rest point.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 149.5 miles from Idaho Falls, ID, or about 2h 23m into the drive.
The longest continuous stretch on this route runs about 183 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 66 miles or 1h 4m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 149.5 miles or 2h 23m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 55m
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 Idaho Falls, 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.
Day 1
Settle into the route from Idaho Falls, ID
This is one driving day of about 298.9 miles and 4h 54m.
Your first comfortable stop window is around 66 miles from Idaho Falls, ID.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Vietnam Veterans Memorial Highway for about 183 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 and 292.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip|~0m in|West Stone Run Lane
Turn right onto West Stone Run Lane
Navigation decision point
5
0.1 mi into trip|~0m in|Stonebrook Lane
Turn left onto Stonebrook Lane
Navigation decision point
6
2.9 mi into trip|~4m in|I 15 BUS; US 26
Take the exit onto I 15 BUS; US 26 toward Blackfook, Pocatello, Salt Lake City
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward Blackfook, Pocatello, Salt Lake City
6
46.2 mi into trip|~45m in
Take the exit toward I 86 West: Chubbuck, Twin Falls
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 72
Toward I 86 West: Chubbuck, Twin Falls
8
292.5 mi into trip|~4h 40m in|I 84 Business
Take the exit onto I 84 Business toward I 84 Business: Garrity Boulevard, Idaho Center Boulevard
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 38
Toward I 84 Business: Garrity Boulevard, Idaho...
Fuel & Cost
Regular Gas
$46.59 one way
$93.18 round trip
$3.96/gal25.4 MPG avg105 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.17
$49.11
$98.21
premium
$4.47
$52.65
$105.30
diesel
$4.80
$56.44
$112.88
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$47
Meals
$25–$50
Total
$72–$97
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 104.6 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $31 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
89.7
1
$31.38
$14.35
Efficient EV
74.7
0
$26.15
$11.96
EV Truck/SUV
119.6
1
$41.85
$19.13
Gas CO2
105 kg
EV CO2
35 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
Idaho Falls, ID
Late night
in Idaho Falls on Sunday
Local time
3:42 AM
MDT
Current temp
89°F
Slight Chance Showers And Thunderstorms
SSW 3 to 8 mph41% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 3:16PM MDT by NWS Boise ID
Flash Flood Warning
Flash Flood Warning issued July 17 at 2:46PM MDT until July 17 at 5:00PM MDT by NWS Pocatello ID
Destination
Nampa, ID
Late night
in Nampa on Sunday
Local time
3:42 AM
MDT
Current temp
98°F
Sunny
NW 6 mph2% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 3:16PM MDT by NWS Boise ID
Flash Flood Warning
Flash Flood Warning issued July 17 at 2:46PM MDT until July 17 at 5:00PM MDT by NWS Pocatello ID
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.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
9 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
4h 54m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Hagerman Fossil Beds National Monument
National Monument
During the Pliocene, this place looked quite different. Lush wetlands, forests, and grasslands provided excellent habitat for a variety of animals. From fascinating, now-extinct creatures like the sab...
7 mi from route
~17 min detour
Free
near mile 185.5
Caution: Use Caution with "Fossil Beds Information" Signs
Caution: If You Can't Reach Us By Phone, Please Email Us
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a trip defined by a turn-heavy local feel that balances stretches of high-speed transit with more technical maneuvering. While roughly 21% of your journey consists of highway driving, the road's personality shifts significantly as you transition between sections. You will tackle a substantial 183-mile stretch on the Vietnam Veterans Memorial Highway, which serves as the longest uninterrupted portion of your trip. Staying alert is key, as the route requires constant engagement compared to a monotonous interstate grind. By the time you reach Nampa, you will have navigated a diverse set of road conditions that keep the driving experience from feeling repetitive.
Only 21% highway — the rest is turn-by-turn surface driving.
21 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 183 mi on Vietnam Veterans Memorial Highway.
How Hard Is This Drive?
4/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near West Stone Run Lane.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 54m drive. You will face about 13 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (West Stone Run Lane): Navigation decision point; at 0.1 miles (Stonebrook Lane): Navigation decision point; at 2.9 miles (I 15 BUS; US 26): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
4,704 ft2,520 ft
Total Climb
1,103 ft
Total Descent
3,287 ft
Highest Point
4,704 ft
Elevation Range
2,185 ft
Notable High Points
4,675 ft at ~42.7 miles+149 ft prominence
4,451 ft at ~106.8 miles+197 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 Idaho Falls, ID to Nampa, ID, road signs begin pointing toward Twin Falls along the way.
Idaho Falls is a city in Eastern Idaho. Idaho Falls serves as the commercial, cultural, and healthcare hub for Eastern Idaho. The city attracts many tourists visiting nearby Yellowstone and Grand Teton National Parks, Jackson Hole, and fishing on the Snake River. Due to its proximity to high-profile outdoor destinations, in 2009, Idaho Falls was named to National Geographic's list of the "100 Best Adventure Towns".
Top landmarks
•New Sweden School — school building in Idaho Falls, United States of America
•Bonneville Hotel — hotel building in Idaho Falls, Idaho
•Bonneville County Courthouse — historic courthouse in Idaho Falls, Idaho, USA
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 183 miles on Vietnam Veterans Memorial Highway. The full list of main roads is in the Roads section above.
Yes — we found about 20 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.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
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: near the start (West Stone Run Lane): Navigation decision point; at 0.1 miles (Stonebrook Lane): Navigation decision point; at 2.9 miles (I 15 BUS; US 26): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Yes — Hagerman Fossil Beds National Monument. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.9 hours each way, an in-and-out day trip would put you behind the wheel for 9.8 hours — manageable with a long break at Nampa, ID, but most travelers stay overnight.
