Traveling from Thousand Oaks to Fremont covers 365.3 miles and typically takes about 6 hours and 53 minutes. This highway-focused trip is designed for a single day of driving, making it a straightforward journey through the Pacific Coast region. You should budget approximately $85 for fuel to complete the trek. By utilizing the Westside Freeway and I-5, you will find this route prioritizes efficiency over coastal detours. While it is certainly feasible to complete this drive in one go, you might consider how the nearly seven-hour duration impacts your schedule.
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
182.7 miles from Thousand Oaks, CA
A natural place for your longest stop of the day
, about 3h 24m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
182.5 mi
3h 15m
CA 152
41.1 mi
51m
I 5 Truck
39.3 mi
45m
Golden State Freeway
22.3 mi
25m
Ventura Freeway
22.1 mi
25m
South Valley Freeway
19.9 mi
22m
Nimitz Freeway
13 mi
14m
US 101
12.2 mi
14m
Longest stretch:
Westside Freeway
— 182.5 mi, about 3h 15m
Turn-by-Turn Driving Directions
Step-by-step road directions between Thousand Oaks, CA and Fremont, CA.
1
Start on this road
63 ft·10 sec·this road
2
Turn left onto East Thousand Oaks Boulevard
0.1 mi·20 sec·East Thousand Oaks Boulevard
3
Turn right onto Hampshire Road
0.3 mi·41 sec·Hampshire Road
4
Turn left
0.3 mi·38 sec
Toward US 101 South, CA 23 SouthUse the left lane.
5
Merge onto US 101; CA 23
22 mi·25 min·Ventura Freeway
Use the straight / slight right lanes.
6
Take the exit
0.1 mi·18 sec
Toward I 405 North, I 405 South: Sacramento, Santa MonicaUse the straight / slight right lanes.
7
Keep slight left at fork
0.4 mi·54 sec
Toward I 405 North: SacramentoUse the slight left lane.
8
Merge onto I 405
9.6 mi·11 min·San Diego Freeway
Use the straight / sharp right lanes.
9
Merge onto I 5 Truck
1.6 mi·1 min·I 5 Truck
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 5 Truck
1.5 mi·1 min·I 5 Truck
Exit 161AToward I 5 Truck North, CA 14 TruckUse the straight / slight right lanes.
11
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
12
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
13
Keep slight right at fork onto I 5
183 mi·3 hr 15 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
14
Take the exit
0.2 mi·26 sec
Exit 403BToward CA 152 West: Gilroy, Hollister, San Jose
15
Continue on CA 152; CA33
29 mi·33 min·CA 152; CA33
Use the straight lane.
16
Keep slight right at fork onto CA 152
12 mi·16 min·CA 152
17
Take the exit onto CA 152
0.5 mi·1 min·CA 152
Toward US 101 North: San Jose
18
Merge onto US 101; CA 152
20 mi·22 min·South Valley Freeway
Use the slight right lane.
19
Keep slight left at fork onto US 101
12 mi·14 min·US 101
Use the straight / slight right lanes.
20
Take the exit
0.2 mi·29 sec
Exit 388BToward I 880 North: OaklandUse the straight / slight right lanes.
21
Merge onto I 880
7.3 mi·8 min·Nimitz Freeway
Use the straight / slight right lanes.
22
Keep slight right at fork onto I 880
5.7 mi·6 min·Nimitz Freeway
Use the straight / slight right lanes.
23
Take the exit
0.3 mi·36 sec
Exit 17Toward Mowry Avenue, Central FremontUse the straight / slight right lanes.
24
Turn right onto Mowry Avenue
1.4 mi·2 min·Mowry Avenue
Use the right lane.
25
Arrive at destination
Mowry Avenue
Trip Plan
To manage the 365.3-mile distance effectively, plan for at least one dedicated stop to break up the long stretches of freeway. Since the route is heavily reliant on major corridors like the Westside Freeway, monitor traffic patterns before you depart to avoid potential congestion on the interstate. Leaving early in the morning can help you bypass peak travel times and reach Fremont comfortably within your day. Given the $85 estimated fuel cost, check your tank before joining the I-5 Truck route to ensure you don't face unnecessary detours for gas. Staying hydrated and switching drivers if possible will help you stay sharp during the nearly seven-hour journey.
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.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 182.7 miles from Thousand Oaks, CA, or about 3h 24m into the drive.
The longest continuous stretch on this route runs about 182.5 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 80 miles or 1h 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 182.7 miles or 3h 24m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 38m
Traffic, exits, and arrival timing usually matter more near Fremont, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Thousand Oaks, 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.
Day 1
Settle into the route from Thousand Oaks, CA
This is one driving day of about 365.3 miles and 6h 53m.
Your first comfortable stop window is around 80 miles from Thousand Oaks, CA.
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 Westside Freeway for about 182.5 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 22
5 decision points cluster between mile 0.4 and 363.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
0.4 mi into trip|~1m in
Turn left toward US 101 South, CA 23 South
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward US 101 South, CA 23 South
7
22.8 mi into trip|~27m in
Take the exit toward I 405 North, I 405 South: Sacramento, Santa Monica
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.
Toward I 405 North, I 405 South: Sacramento, Sa...
7
23 mi into trip|~27m in
Keep slight left at fork toward I 405 North: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 405 North: Sacramento
9
34.6 mi into trip|~41m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 5 Truck North, CA 14 Truck
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 161A
Toward I 5 Truck North, CA 14 Truck
8
363.7 mi into trip|~6h 49m in
Take the exit toward Mowry Avenue, Central Fremont
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 17
Toward Mowry Avenue, Central Fremont
Fuel & Cost
Regular Gas
$83.96 one way
$167.92 round trip
$5.84/gal25.4 MPG avg128 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$86.52
$173.04
premium
$6.18
$88.84
$177.67
diesel
$5.61
$80.65
$161.31
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$84
Meals
$25–$50
Total
$109–$134
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 127.8 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $38 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
109.6
1
$38.36
$17.53
Efficient EV
91.3
1
$31.96
$14.61
EV Truck/SUV
146.1
1
$51.14
$23.38
Gas CO2
128 kg
EV CO2
43 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 15, 2026
Origin
Thousand Oaks, CA
Morning
in Thousand Oaks on Sunday
Local time
7:17 AM
PDT
Current temp
47°F
Unavailable
Live forecast
Destination
Fremont, CA
Morning
in Fremont on Sunday
Local time
7:17 AM
PDT
Current temp
67°F
Unavailable
Live 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.
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
20 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
6h 53m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
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.
Santa Monica Mountains National Recreation Area
National Recreation Area
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...
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...
28 mi from route
~69 min detour
Free
near mile 100.8
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on the Pacific Coast. Our 50-acre park has grown around Aquatic Park Cove, a protected area...
30 mi from route
~75 min detour
Free
near mile 365.3
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
With 99% of this trip taking place on highways, you should expect a consistent, high-speed experience behind the wheel. The journey is dominated by the Westside Freeway, which accounts for your longest uninterrupted stretch of 182.5 miles. Navigating through CA 152 and the I-5 corridor keeps the pace steady, though the landscape remains focused on interstate travel rather than local roads. This drive feels like a functional transit route, perfect for drivers who prefer keeping a steady cruise control setting for the majority of the day.
99% highway — fuel and pacing are the main things to plan.
25 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 182.5 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 152. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.4 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 22 significant decision points across 365.3 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 0.4 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 22.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Thousand Oaks, CA and Fremont, CA, road signs point toward Santa Monica, Hollister and San Jose.
Thousand Oaks is a city in Ventura County in Southern California. It is the largest city in the Conejo Valley, which it shares with Agoura Hills and Westlake Village, nestled within the Santa Monica Mountains. Newbury Park on the west and Oak Park on the east are districts of Thousand Oaks.
Fremont is a suburban city in the southern part of the East Bay of the San Francisco Bay Area; it is the 4th largest city in the Bay Area by population. Fremont is in the southern part of Alameda County, California, between Union City to the north, Sunol and the hills to the east, Milpitas and Santa Clara County to the south, and the San Francisco Bay to the west. The city of Newark, near the edge of the Bay, is surrounded by the city of Fremont.
Fremont industry is not particularly large relative to other parts of the Bay Area, but neither is it a bedroom community. Many people in Fremont work locally in the electronics and high-tech industry, while many others commute to Silicon Valley or San Francisco locations for work.
Top landmarks
•Mission San José — 18th-century Spanish mission in Fremont, California
•Ardenwood Historic Farm — human settlement in California, United States of America
•Niles Depot Museum — railway museum in Niles, California
Doable as a same-day drive at 6h 53m. Total distance: 365.3 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 53m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 182.5 miles on Westside Freeway. The full list of main roads is in the Roads section above.
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 Fremont, 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 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 0.4 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 22.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Santa Monica Mountains National Recreation Area, César E. Chávez National Monument and San Francisco Maritime National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.9 hours each way, a round trip means 13.8 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Fremont, CA before the return drive.
