Connecting Pomona to Fremont, this 382.4-mile journey takes approximately 7 hours and 14 minutes to complete. Because the route is almost entirely highway-focused, you can comfortably tackle the distance in a single day, though you should budget about $89 for fuel. You will travel exclusively within the Pacific Coast region of California, transitioning between major metropolitan hubs. While the drive is straightforward, it is best to plan for at least two stops to keep your energy up. This route serves as a practical, efficient link between Southern and Northern California, prioritizing speed over scenic detours.
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
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
191.2 miles from Pomona, CA
A natural place for your longest stop of the day
, about 3h 36m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
182.5 mi
3h 15m
Foothill Freeway
43.9 mi
50m
CA 152
41.1 mi
51m
I 5 Truck
37.1 mi
42m
Golden State Freeway
22.3 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 Pomona, CA and Fremont, CA.
1
Start on South Main Street
90 ft·8 sec·South Main Street
2
Turn right onto West Mission Boulevard
1.6 mi·2 min·West Mission Boulevard
3
Take the ramp
0.2 mi·28 sec
Toward CA 71 NorthUse the right lane.
4
Merge onto CA 71
1.0 mi·1 min·Chino Valley Freeway
Use the straight / slight right lanes.
5
Keep slight left at fork
0.7 mi·1 min
Toward CA 57 North
6
Continue on CA 57
3.4 mi·3 min·CA 57
Use the straight / slight right lanes.
7
Keep slight left at fork
1.1 mi·2 min
Exit 25CToward I 210 West: Pasadena
8
Merge onto I 210
18 mi·21 min·Foothill Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
10
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
11
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
12
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
14
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.
15
Take the exit
0.2 mi·26 sec
Exit 403BToward CA 152 West: Gilroy, Hollister, San Jose
16
Continue on CA 152; CA33
29 mi·33 min·CA 152; CA33
Use the straight lane.
17
Keep slight right at fork onto CA 152
12 mi·16 min·CA 152
18
Take the exit onto CA 152
0.5 mi·1 min·CA 152
Toward US 101 North: San Jose
19
Merge onto US 101; CA 152
20 mi·22 min·South Valley Freeway
Use the slight right lane.
20
Keep slight left at fork onto US 101
12 mi·14 min·US 101
Use the straight / slight right lanes.
21
Take the exit
0.2 mi·29 sec
Exit 388BToward I 880 North: OaklandUse the straight / slight right lanes.
22
Merge onto I 880
7.3 mi·8 min·Nimitz Freeway
Use the straight / slight right lanes.
23
Keep slight right at fork onto I 880
5.7 mi·6 min·Nimitz Freeway
Use the straight / slight right lanes.
24
Take the exit
0.3 mi·36 sec
Exit 17Toward Mowry Avenue, Central FremontUse the straight / slight right lanes.
25
Turn right onto Mowry Avenue
1.4 mi·2 min·Mowry Avenue
Use the right lane.
26
Arrive at destination
Mowry Avenue
Trip Plan
To manage the 7-hour and 14-minute duration effectively, aim to depart early in the morning to beat potential congestion near your start and end points. Since you have two planned stops, use these breaks to refuel and stretch, keeping in mind that your total fuel costs will hover around $89. Given the heavy reliance on the Westside Freeway, stay alert during that 182.5-mile stretch, as it represents the bulk of your travel time. Because this is a single-day commitment, keeping a steady pace is your best strategy for reaching Fremont before nightfall. Checking traffic conditions on the Foothill Freeway before you head out is a smart way to ensure your timing remains on track.
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 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 191.2 miles from Pomona, CA, or about 3h 36m 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 84 miles or 1h 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 191.2 miles or 3h 36m 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 59m
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 Pomona, 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.
Day 1
Settle into the route from Pomona, CA
This is one driving day of about 382.4 miles and 7h 14m.
Your first comfortable stop window is around 84 miles from Pomona, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks 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 1.6 and 380.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
1.6 mi into trip|~2m in
Take the ramp toward CA 71 North
Lane positioning matters here
Use the right lane.
Toward CA 71 North
8
26.4 mi into trip|~33m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
7
111.6 mi into trip|~2h 11m in|I 5 / Westside Freeway
Keep slight right at fork onto I 5 / Westside Freeway toward I 5 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 5 North
7
367.5 mi into trip|~6h 55m in
Take the exit toward I 880 North: Oakland
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 388B
Toward I 880 North: Oakland
8
380.7 mi into trip|~7h 10m 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
$87.89 one way
$175.78 round trip
$5.84/gal25.4 MPG avg134 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$90.57
$181.14
premium
$6.18
$93.00
$185.99
diesel
$5.61
$84.43
$168.86
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$88
Meals
$25–$50
Total
$113–$138
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 133.8 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $40 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
114.7
1
$40.15
$18.36
Efficient EV
95.6
1
$33.46
$15.30
EV Truck/SUV
153
1
$53.54
$24.47
Gas CO2
134 kg
EV CO2
45 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 19, 2026
Origin
Pomona, CA
Late night
in Pomona on Tuesday
Local time
5:41 AM
PDT
Current temp
52°F
Unavailable
Live forecast
Destination
Fremont, CA
Late night
in Fremont on Tuesday
Local time
5:41 AM
PDT
Current temp
49°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
3 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
7h 14m 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...
22 mi from route
~55 min detour
Free
near mile 52.7
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
~70 min detour
Free
near mile 118.7
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 382.4
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a high-speed, interstate-heavy experience, as 98% of this trip is spent on highways. You will navigate a combination of the Foothill Freeway, the Westside Freeway, and CA 152 to reach your destination. The most significant portion of your time behind the wheel involves a 182.5-mile stretch on the Westside Freeway, which accounts for the longest uninterrupted segment of the drive. The road maintains a consistent, utilitarian personality designed for steady cruising rather than technical maneuvering. You will find that the rhythm of the drive remains largely predictable, making it a reliable choice for travelers who prefer a direct, no-nonsense path.
98% highway — fuel and pacing are the main things to plan.
26 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 Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.6 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 22 significant decision points across 382.4 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 1.6 miles: Lane positioning matters here; at 26.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 111.6 miles (I 5 / Westside Freeway): 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 Pomona, CA and Fremont, CA, road signs point toward Hollister and San Jose.
Pomona is in the San Gabriel Valley, near Los Angeles, California. Named after the Roman goddess of fruit, in the 1920s it was indeed known as "the Queen of the Citrus Belt." However, its origins preceded that epoch as an allotment given to two ranchers, Ricardo Véjar and Ygnacio Palomares, in the 1830s, when the territory was still part of Mexico. After the Treaty of Guadalupe Hidalgo and becoming part of the USA, it eventually became absorbed into the megalopolis of southern California, with perhaps its main standout nowadays being the site of the LA County Fair, or the location of Cal Polytechnic U.
Top landmarks
•Pomona Fox Theater — movie theater in Pomona, Los Angeles County, California
•Ygnacio Palomares Adobe — historic house in California, United States
•Wally Parks NHRA Motorsports Museum — automotive museum in California, United States
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 7h 14m. Total distance: 382.4 miles.
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
7h 14m 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 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 1.6 miles: Lane positioning matters here; at 26.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 111.6 miles (I 5 / Westside Freeway): 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 7.2 hours each way, a round trip means 14.5 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.
