San Jose to Imperial is 546.6 miles and takes about 10h 21m via Westside Freeway and I-5 Truck, with a fuel budget near $127 and enough daylight to finish in a day (though it's recommended for 2 days). This long-haul drive will take you from the Pacific Coast region of California to its southern interior. Given the estimated 10-hour driving time, splitting this into two days is a practical approach for a more relaxed trip. You'll spend most of your time on major highways, making it a straightforward, albeit lengthy, transit.
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
273.3 miles from San Jose, CA
A natural place for your longest stop of the day
, about 5h 6m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
181.1 mi
3h 14m
CA 86
78.4 mi
1h 32m
I 5 Truck
58.4 mi
1h 6m
Foothill Freeway
44 mi
50m
Pacheco Pass Highway
40.6 mi
50m
Pearl Harbor Memorial Highway
40.3 mi
44m
Sonny Bono Memorial Freeway
32.5 mi
34m
US 101
20.3 mi
23m
Longest stretch:
Westside Freeway
— 181.1 mi, about 3h 14m
Traffic on I-5
Hour-of-day weekday pattern from 69 FHWA count stations on your route.
Peak
2 PM
~1,524 veh/hr typical
· worst 2,324
Quietest
2 AM
~316 veh/hr
Peak-to-quiet ratio
4.8×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 44 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 San Jose, CA and Imperial, CA.
1
Start on North Market Street
110 ft·5 sec·North Market Street
2
Turn right onto Devine Street
275 ft·17 sec·Devine Street
3
Turn left onto North San Pedro Street
306 ft·17 sec·North San Pedro Street
4
Turn right onto West Saint James Street
0.1 mi·16 sec·West Saint James Street
5
Continue on West Julian Street
356 ft·7 sec·West Julian Street
Use the straight lane.
6
Take the ramp
0.2 mi·31 sec
Toward CA 87 SouthUse the right lane.
7
Merge onto CA 87
1.4 mi·1 min·Guadalupe Freeway
Use the straight / slight right lanes.
8
Continue on CA 87
4.1 mi·4 min·Guadalupe Parkway
Use the straight / slight right lanes.
9
Take the exit
0.4 mi·30 sec
Exit 1CToward Santa Teresa BoulevardUse the straight / slight right lanes.
10
Continue on CA 87
0.1 mi·22 sec·Santa Teresa Boulevard
Use the straight lane.
11
Turn left
0.3 mi·41 sec
Toward CA 85 SouthUse the left lane.
12
Merge onto CA 85
4.7 mi·5 min·CA 85
Use the straight / slight right lanes.
13
Continue on CA 85
0.4 mi·27 sec·CA 85
Exit 1AToward US 101 South
14
Continue on US 101
20 mi·23 min·US 101
15
Take the exit onto CA 152
0.3 mi·39 sec·CA 152
Toward CA 152 East: 10th Street, Pacheco Pass Road
16
Turn left onto CA 152
353 ft·12 sec·East 10th Street
17
Continue on CA 152
41 mi·50 min·Pacheco Pass Highway
18
Take the exit
0.6 mi·1 min
Toward I 5: Los Angeles
19
Merge onto I 5
181 mi·3 hr 14 min·Westside Freeway
Use the straight / slight right lanes.
20
Keep slight right at fork onto I 5 Truck
58 mi·1 hr 6 min·I 5 Truck
Use the straight / slight right lanes.
21
Keep slight left at fork onto I 5
2.0 mi·2 min·Golden State Freeway
Use the straight / slight right lanes.
22
Take the exit
0.3 mi·17 sec
Exit 161AToward I 210 East: PasadenaUse the slight right lane.
23
Continue on I 210
24 mi·28 min·Foothill Freeway
Use the straight / slight right lanes.
24
Keep slight right at fork onto I 210
19 mi·22 min·Foothill Freeway
Toward CA 134 West, I 210 East: San Bernardino, VenturaUse the slight right lane.
25
Keep slight right at fork onto I 210
0.5 mi·32 sec·Foothill Freeway
26
Take the exit
0.9 mi·1 min
Exit 44AToward CA 57 South: Santa AnaUse the slight right lane.
27
Continue on CA 57
3.4 mi·3 min·Orange Freeway
Use the straight / slight right lanes.
28
Take the exit
0.2 mi·22 sec
Exit 22A; 22BToward I 10 East, I 10 West: San Bernardino, Los AngelesUse the straight / slight right lanes.
29
Keep slight left at fork
0.7 mi·1 min
Exit 22BToward I 10 East: San Bernardino Freeway, San BernardinoUse the slight left / slight right lanes.
30
Merge onto I 10
1.9 mi·2 min·San Bernardino Freeway
Use the straight / slight right lanes.
31
Keep slight right at fork onto I 10
4.0 mi·4 min·San Bernardino Freeway
Use the straight / slight right lanes.
32
Keep slight left at fork onto I 10 EXPR
9.0 mi·9 min·I-10 Metro ExpressLanes
Use the slight left lane.
33
Merge onto I 10
14 mi·16 min·San Bernardino Freeway
Use the slight right lane.
34
Continue on I 10
40 mi·44 min·Pearl Harbor Memorial Highway
Toward Redlands, Palm SpringsUse the straight / slight right lanes.
35
Keep slight left at fork onto I 10
32 mi·34 min·Sonny Bono Memorial Freeway
Use the straight / slight right lanes.
36
Keep slight right at fork onto CA 86
70 mi·1 hr 22 min·CA 86
Toward CA 86 South: CA 86 South, Brawley, El CentroUse the straight lane.
37
Turn right onto CA 86
0.4 mi·27 sec·South 1st Street
38
Continue on CA 86
0.9 mi·1 min·South Brawley Avenue
Use the straight lane.
39
Turn left
326 ft·18 sec
40
Turn right
0.1 mi·46 sec
41
At end of road, turn right
471 ft·23 sec
42
Turn left onto CA 86
8.4 mi·10 min·CA 86
43
Turn right onto S28
103 ft·2 sec·East Barioni Boulevard
44
Arrive at destination
S28
Trip Plan
With a total drive time exceeding 10 hours, this route is best tackled over two days. Plan to leave early in the morning on your first day to cover a good portion of the distance, perhaps 5-6 hours of driving. For a 546.6-mile trip, aim for a stop around the halfway point or slightly beyond. Keep an eye on fuel levels, especially as you transition from I-5 Truck to CA 86, as services can become less frequent. The estimated fuel cost is $127, so budget accordingly.
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 273.3 miles from San Jose, CA, or about 5h 6m into the drive.
The longest continuous stretch on this route runs about 181.1 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 120 miles or 2h 20m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 273.3 miles or 5h 6m 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 273.3 miles or 5h 6m
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 9h 8m
Traffic, exits, and arrival timing usually matter more near Imperial, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving San Jose, CA 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 San Jose, CA
Aim for roughly 273 miles and 5.2 hours of wheel time on this day.
Day 2
Finish the approach into Imperial, CA
Aim for roughly 273 miles and 5.2 hours of wheel time on this day.
Your first comfortable stop window is around 120 miles from San Jose, CA.
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 Westside Freeway for about 181.1 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 34
5 decision points cluster between mile 6.6 and 466.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
6.6 mi into trip|~8m in
Turn left toward CA 85 South
Lane positioning matters here
Use the left lane.
Toward CA 85 South
8
340 mi into trip|~6h 22m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward CA 134 West, I 210 East: San Bernardino, Ventura
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward CA 134 West, I 210 East: San Bernardino,...
8
363.8 mi into trip|~6h 51m in
Take the exit toward I 10 East, I 10 West: San Bernardino, Los Angeles
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 22A; 22B
Toward I 10 East, I 10 West: San Bernardino, Lo...
9
364 mi into trip|~6h 51m in
Keep slight left at fork toward I 10 East: San Bernardino Freeway, San Bernardino
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 22B
Toward I 10 East: San Bernardino Freeway, San B...
8
466.6 mi into trip|~8h 45m in|CA 86
Keep slight right at fork onto CA 86 toward CA 86 South: CA 86 South, Brawley, El Centro
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward CA 86 South: CA 86 South, Brawley, El Ce...
Fuel & Cost
Regular Gas
$114.36 one way
$228.71 round trip
$5.31/gal25.4 MPG avg191 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.52
$118.77
$237.53
premium
$5.67
$121.91
$243.82
diesel
$4.80
$103.21
$206.42
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$114
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$244–$354
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 191.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $57 in charging
· 2 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
164
2
$57.39
$26.24
Efficient EV
136.7
1
$47.83
$21.86
EV Truck/SUV
218.6
2
$76.52
$34.98
Gas CO2
191 kg
EV CO2
64 kg (66% less)
Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 16, 2026
Origin
San Jose, CA
Morning
in San Jose on Sunday
Local time
8:18 AM
PDT
Current temp
83°F
Sunny
NNW 10 mph0% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Destination
Imperial, CA
Morning
in Imperial on Sunday
Local time
8:18 AM
PDT
Current temp
104°F
Partly Sunny
SSE 15 mph8% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
21 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
10h 21m 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.
National Parks Near This Route
Worth a detour if your schedule allows.
Joshua Tree National Park
National Park
Two distinct desert ecosystems, the Mojave and the Colorado, come together in Joshua Tree National Park. A fascinating variety of plants and animals make their homes in a land sculpted by strong winds...
24 mi from route
~61 min detour
$30
near mile 471.2
The Santa Monica Mountains offer easy access to surprisingly wild places. Experience the famous beaches of Malibu or explore more than 500 miles of trails. The park abounds with historical and cultura...
24 mi from route
~61 min detour
Free
near mile 320.4
Yes, we can! Widely recognized as the most important Latino leader in the United States during the twentieth century, Cesar Chavez led farm workers and supporters in the establishment of the country's...
30 mi from route
~74 min detour
Free
near mile 245
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This trip features 84% highway driving, with the longest continuous stretch covering 181.1 miles on Westside Freeway. You'll be on major freeways for the vast majority of this drive. Expect a significant amount of time on I-5 Truck before transitioning to CA 86. The latter part of the route will involve more surface roads as you approach your destination.
84% highway — fuel and pacing are the main things to plan.
44 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 181.1 mi on Westside Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Westside Freeway and CA 86. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 6.6 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 34 significant decision points across 546.6 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 6.6 miles: Lane positioning matters here; at 340 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 363.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
High-altitude sections with notable climbs
3,917 ft-61 ft
Total Climb
5,378 ft
Total Descent
5,520 ft
Highest Point
3,917 ft
~273.3 mi in
Elevation Range
3,978 ft
Notable High Points
3,917 ft at ~273.3 miles+2,256 ft prominence
1,690 ft at ~429.5 miles+635 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between San Jose, CA and Imperial, CA, road signs point toward Ventura, Los Angeles, San Bernardino, Redlands, Palm Springs and Brawley - among others.
Often called "the capital of Silicon Valley", San Jose is the largest city in the Bay Area, 3rd largest in California, and the 12th largest city in the United States, with a population of over 997,000 residents as of 2024. It was named the 6th safest big city in the U.S. in 2015. This clean, sprawling metropolis has sports, beautiful vistas, and ethnic enclaves and bleeds into the greater Bay Area for travelers who want to take their time in Northern California.
Top landmarks
•Winchester Mystery House — Mansion in San Jose, California.
•San Jose Diridon station — railway station complex in San Jose, California
•Rosicrucian Egyptian Museum — building in San Jose, California, United States
The longest stretch is about 181.1 miles on Westside Freeway. 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 273 miles on day one.
Yes — we found about 41 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 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 Imperial, CA 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 41 rest areas along the route for bathroom stops.
The main spots that need attention: at 6.6 miles: Lane positioning matters here; at 340 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 363.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Joshua Tree National Park, Santa Monica Mountains National Recreation Area and César E. Chávez National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 10.4 hours each way, a round trip means 20.7 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Imperial, CA before the return drive.
