Torrance, CA to San Diego, CA is 116.9 miles and takes about 2h 20m via I-405, with a fuel budget near $27 and enough daylight to finish in a day. This drive stays within California, connecting two key points in the Pacific Coast region. It's primarily a highway-focused trip, meaning you'll spend most of your time on major freeways, making it a straightforward journey. Plan for a single-day trip, as the duration and distance are very manageable for most drivers. This route is a practical option for getting between these two Southern California cities without much fuss.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
58.4 miles from Torrance, CA
A natural place for your longest stop of the day
, about 1h 10m into the drive
.
Main Roads
Road
Distance
Duration
San Diego Freeway
83.3 mi
1h 37m
San Joaquin Hills Transportation Corridor
12.8 mi
14m
I 405
10.3 mi
11m
Corona Del Mar Freeway
4 mi
4m
Torrance Boulevard
3.3 mi
5m
Front Street
0.5 mi
1m
South Main Street
0.4 mi
<1m
South Figueroa Street
0.3 mi
<1m
Longest stretch:
San Diego Freeway
— 83.3 mi, about 1h 37m
Turn-by-Turn Driving Directions
Step-by-step road directions between Torrance, CA and San Diego, CA.
1
Start on Opal Street
206 ft·15 sec·Opal Street
2
Turn left onto Maple Avenue
300 ft·13 sec·Maple Avenue
3
Turn right onto Torrance Boulevard
3.3 mi·5 min·Torrance Boulevard
Use the left lane.
4
Turn left onto US 6 Hist
0.3 mi·35 sec·South Figueroa Street
Use the left lane.
5
Turn right onto West Del Amo Boulevard
0.2 mi·22 sec·West Del Amo Boulevard
Use the right lane.
6
Turn left onto South Main Street
0.4 mi·45 sec·South Main Street
Use the left lane.
7
Take the ramp
98 ft·3 sec
Toward I 405 South: San Diego
8
Turn right
0.1 mi·18 sec
Toward I 405 South: San Diego
9
Merge onto I 405
13 mi·15 min·San Diego Freeway
Use the straight lane.
10
Keep slight right at fork onto I 405
2.3 mi·2 min·San Diego Freeway
Use the straight / slight right lanes.
11
Keep slight left at fork onto I 405
0.2 mi·11 sec·San Diego Freeway
Use the straight / right lanes.
12
Keep slight left at fork onto I 405
10 mi·11 min·I 405
Use the straight / slight right lanes.
13
Keep slight right at fork onto CA 73
4.0 mi·4 min·Corona Del Mar Freeway
Exit 10Toward CA 73 South: San DiegoUse the straight / slight right lanes.
Exit 17Toward Front Street, Civic Center, 2nd AvenueUse the straight / slight right lanes.
21
Keep slight right at fork
0.1 mi·14 sec
Toward Front Street, Civic Center
22
Continue on Front Street
0.5 mi·1 min·Front Street
Use the straight / left lanes.
23
Arrive at destination
Front Street
Trip Plan
Since this is a manageable 1-day drive of just over 2 hours, you have a lot of flexibility with your departure time. Leaving in the morning can help you avoid the worst of potential traffic, especially as you approach San Diego. Keep an eye on your fuel gauge, as the longest stretch is over 83 miles, and while the estimated fuel cost is around $27, it's always wise to fuel up before hitting these longer segments. There are no specifically recommended stops in the data, so feel free to make a quick stop for gas or a stretch whenever you feel the need.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 58.4 miles from Torrance, CA, or about 1h 10m into the drive.
The longest continuous stretch on this route runs about 83.3 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 26 miles or 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 58.4 miles or 1h 10m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 54m
Traffic, exits, and arrival timing usually matter more near San Diego, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Torrance, 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 Torrance, CA
This is one driving day of about 116.9 miles and 2h 20m.
Your first comfortable stop window is around 26 miles from Torrance, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on San Diego Freeway for about 83.3 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 19
5 decision points cluster between mile 30.3 and 116.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
30.3 mi into trip|~38m in|CA 73 / Corona Del Mar Freeway
Keep slight right at fork onto CA 73 / Corona Del Mar Freeway toward CA 73 South: San Diego
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 10
Toward CA 73 South: San Diego
8
44.6 mi into trip|~54m in
Take the exit toward La Paz Road, Moulton Parkway
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 3
Toward La Paz Road, Moulton Parkway
7
45.2 mi into trip|~55m in
Keep slight left at fork toward CA 73 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward CA 73 South
8
116 mi into trip|~2h 18m in
Take the exit toward Front Street, Civic Center, 2nd Avenue
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 Front Street, Civic Center, 2nd Avenue
7
116.2 mi into trip|~2h 18m in
Keep slight right at fork toward Front Street, Civic Center
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward Front Street, Civic Center
Fuel & Cost
Regular Gas
$26.87 one way
$53.74 round trip
$5.84/gal25.4 MPG avg41 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$27.69
$55.38
premium
$6.18
$28.43
$56.86
diesel
$5.61
$25.81
$51.62
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$27
Meals
$25–$50
Total
$52–$77
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 40.9 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $12 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
35.1
0
$12.27
$5.61
Efficient EV
29.2
0
$10.23
$4.68
EV Truck/SUV
46.8
0
$16.37
$7.48
Gas CO2
41 kg
EV CO2
14 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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
Torrance, CA
Late night
in Torrance on Tuesday
Local time
1:09 AM
PDT
Current temp
55°F
Unavailable
Live forecast
Destination
San Diego, CA
Late night
in San Diego on Tuesday
Local time
1:09 AM
PDT
Current temp
58°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 warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 20m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
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.
Cabrillo National Monument
National Monument
In 1542, Juan Rodriguez Cabrillo climbed out of his boat and onto shore, becoming the first European to set foot on what is now the West Coast of the United States. Cabrillo National Monument not only...
5 mi from route
~13 min detour
$20
near mile 116.9
Park Closure: Park Auditorium Closed Until Further Notice
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This is a highway-focused drive, with 84% of the route utilizing major freeways like I-405 and the San Diego Freeway. You'll experience long stretches of consistent driving, including one uninterrupted segment of 83.3 miles on the San Diego Freeway. Expect a steady pace for the majority of the journey, characteristic of Southern California's extensive freeway system. The San Joaquin Hills Transportation Corridor also contributes to the efficient, high-speed nature of this trip.
84% highway — fuel and pacing are the main things to plan.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 83.3 mi on San Diego Freeway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on San Diego Freeway and San Joaquin Hills Transportation Corridor. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 30.3 miles in near CA 73 / Corona Del Mar Freeway.
Driving Effort9/10
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 19 significant decision points across 116.9 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 30.3 miles (CA 73 / Corona Del Mar Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 44.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 45.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Torrance is a city in the South Bay region of Los Angeles County, in Southern California. Even though it is one of the larger suburbs of Los Angeles (147,000 residents in 2020), it is overlooked by the throngs of tourists that visit LA. Torrance is often called "Japan's 48th Prefecture" due to its large Japanese population, and large Korean and other immigrant populations give the city a very global feel. Visitors wanting a quieter Los Angeles experience will do well to visit Torrance.
Top landmarks
•Western Museum of Flight — aviation museum in Torrance, California
•Toyota USA Automobile Museum — automobile museum in Torrance, California
From balmy beaches with a laid-back attitude to a gleaming modern image, San Diego offers much for the tourist to enjoy. Situated on the Southern California seacoast, San Diego is the second largest city in the state, with 1.4 million residents (2020), and has long attracted travelers for its ideal climate, miles of beaches, and location on the Mexican border right across from Tijuana.
But there's much more here than surfer culture and a quick hop across the border. A rich maritime and military heritage lives on in San Diego, which is home to the Pacific Fleet of the United States Navy. The city has also become known for its part in the wildlife conservation movement, owing to the presence of the world-renowned San Diego Zoo and Safari Park and the Scripps Institution of Oceanography. Natural scenery abounds from rocky tidepools and seaside cliffs to desert hills and canyons inland.
Top landmarks
•Balboa Park — historic park in San Diego, California
•Cabrillo National Monument — National Monument of the United States and historic district
Doable as a same-day drive at 2h 20m. Total distance: 116.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 20m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (84%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 83.3 miles on San Diego Freeway. The full list of main roads is in the Roads section above.
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 San Diego, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 30.3 miles (CA 73 / Corona Del Mar Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 44.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 45.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Cabrillo National Monument. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at San Diego, CA before heading back.
