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Create accountDrive Time
8h 3m
Distance
484.9 mi
780 km
Drive Score
8/10
Great drive
Same Day?
2-day trip
Fuel Cost
$77
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Idaho Falls, ID
Wal Saravia
Traveling from Hayden to Idaho Falls covers 484.9 miles across the Mountain West, a journey that typically requires about 8 hours and 3 minutes of driving time. Because of the length, I strongly recommend planning for two days on the road rather than pushing through in one exhausting stretch. You should budget approximately $77 for fuel to complete this trip. Since 99% of your travel takes place on highways, you will spend the vast majority of your time at steady cruising speeds. This route is a serious commitment, so factor in an overnight stay to keep your energy levels high and ensure you arrive safely at your destination.
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
242.4 miles from Hayden, ID
A natural place for your longest stop of the day , about 4h 8m into the drive .
Expect a highway-focused experience that prioritizes efficiency over local backroads. You will rely primarily on I-90, I-15, and US-95 to navigate through Idaho. The most significant portion of your time behind the wheel involves a long, uninterrupted 278-mile stretch on I-90, which requires steady focus and consistent speed. Because nearly the entire route consists of major highways, the driving is straightforward and predictable. You will find that the character of the road remains relatively uniform throughout the trip, providing a reliable, high-speed corridor that connects the northern and southern reaches of the state.
High-altitude sections with notable climbs
Total Climb
6,106 ft
Total Descent
3,688 ft
Highest Point
6,871 ft
~404.1 mi in
Elevation Range
4,629 ft
Notable High Points
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 1 miles in near West Honeysuckle Avenue.
Easy - simple navigation with a manageable amount of wheel time
The route itself is not hard, but at 8h 3m, endurance matters. Plan breaks every 2-3 hours. The 12 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 1 miles (West Honeysuckle Avenue): Navigation decision point; at 283 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 481.4 miles (I 15 BUS; US 20): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto West Honeysuckle Avenue
Navigation decision point
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
Take the exit onto I 15 BUS; US 20 toward I 15 Business, US 20 West: Historic Downtown, Arco
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Turn right onto West Stone Run Lane
Navigation decision point
Turn left onto Charleston Lane
Navigation decision point
| Road | Distance | Duration |
|---|---|---|
| I 90 | 278 mi | 4h 40m |
| I 15 | 198 mi | 3h 5m |
| US 95 | 3.7 mi | 6m |
| South Boulevard | 1 mi | 2m |
| North Government Way | 1 mi | 1m |
| South Utah Avenue | 0.6 mi | 1m |
| West 17th Street | 0.6 mi | <1m |
| West Broadway Street | 0.4 mi | <1m |
Step-by-step road directions between Hayden, ID and Idaho Falls, ID.
Start on North Government Way
Turn right onto West Honeysuckle Avenue
Turn left onto US 95
Turn left onto I 90
Take the exit
Merge onto I 15
Take the exit onto I 15 BUS; US 20
Continue on I 15 BUS; US 20
Turn right onto South Utah Avenue
Enter roundabout onto South Utah Avenue
Continue on South Utah Avenue
Turn left onto Pancheri Drive
Continue on West 17th Street
Turn right onto South Boulevard
Continue on Stonebrook Lane
Turn right onto West Stone Run Lane
Turn left onto Charleston Lane
Arrive at destination
To manage this 484.9-mile journey effectively, aim to break the trip into two manageable segments, utilizing at least two planned stops to stretch your legs. Given the heavy reliance on interstates, monitor your fuel levels closely throughout the 278-mile I-90 stretch to avoid unnecessary stress between stations. Departing early in the morning is your best strategy for avoiding traffic fluctuations and ensuring you reach your destination before dark. Since you are staying on major thoroughfares for 99% of the drive, keep your cruise control engaged to maintain a steady pace. Prioritize these rest breaks to stay refreshed, as the long, high-speed nature of the route can lead to driver fatigue if you don't step away from the wheel periodically.
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.
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 107 miles or 1h 51m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 242.4 miles or 4h 8m 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 242.4 miles or 4h 8m
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 3m
Traffic, exits, and arrival timing usually matter more near Idaho Falls, ID than in the middle of the route.
Open the route before leaving Hayden, 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 Hayden, ID
Aim for roughly 242 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into Idaho Falls, ID
Aim for roughly 242 miles and 4 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 242.4 mi from Hayden, ID · 4h 8m into the drive
Mid-route town
Overnight candidate
242 mi into the route
Best for: Hotel check-in, dinner, and a fresh start
This lines up well with a realistic day-end stop if you are breaking the drive into stages.
Find hotels in Missoula, MTNight 1
242 mi · about 4h in
A practical overnight split lands near Missoula, MT after about 242 miles or 4 hours of driving.
Find hotelsA short stop after about 107 miles helps settle the day before fatigue starts building.
The midpoint is around 242.4 miles from Hayden, ID, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 90 if your tank is already low. That segment runs about 278 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 242 miles or 4 hours on the road.
The final approach into Idaho Falls, ID usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Idaho Falls, ID.
On a multi-day trip, keep the last day a little lighter so you reach Idaho Falls, ID with some flexibility left in the schedule.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$76.84 one way
$153.68 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $80.77 | $161.54 |
| premium | $4.53 | $86.46 | $172.92 |
| diesel | $5.64 | $107.73 | $215.46 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$77
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$207–$317
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 169.7 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $51 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 145.5 | 1 | $50.91 | $23.28 |
| Efficient EV | 121.2 | 1 | $42.43 | $19.40 |
| EV Truck/SUV | 194 | 2 | $67.89 | $31.03 |
Gas CO2
170 kg
EV CO2
57 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.
Current conditions at both ends of the drive.
Origin
Afternoon in Hayden on Sunday
Local time
4:47 PM
PDT
Current temp
43°F
Partly Cloudy
Destination
Evening in Idaho Falls on Sunday
Local time
5:47 PM
MDT
Current temp
38°F
Partly Cloudy
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
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
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