Traveling from Fairfield to San Diego covers 515.3 miles along the Pacific Coast, a journey that typically takes about 8 hours and 6 minutes of driving time. Given the distance, you should plan for this to be a two-day trip rather than attempting it in one exhausting stretch. You will navigate through West Texas Street, I-80 West, and Dwight D. to make your way south. Budgeting approximately $70 for fuel is a wise move to keep your trip on track. Since both origin and destination are situated within the Pacific Coast region, the transition remains consistent, though the scale of the drive demands careful preparation. Ultimately, this journey is best suited for travelers who prefer a steady pace rather than rushing through the state.
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
257.2 miles from Fairfield, CA
A natural place for your longest stop of the day
, about 4h 44m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
224.4 mi
4h
I 5 Truck
83.3 mi
1h 36m
San Diego Freeway
76.5 mi
1h 29m
Santa Ana Freeway
35 mi
40m
Arthur H. Breed Junior Freeway
19.2 mi
22m
William Elton Brown Freeway
17 mi
18m
Donald D Doyle Highway
14.8 mi
17m
Luther E Gibson Freeway
12.4 mi
14m
Longest stretch:
Westside Freeway
— 224.4 mi, about 4h
Turn-by-Turn Driving Directions
Step-by-step road directions between Fairfield, CA and San Diego, CA.
1
Start on US 40 Historic
0.5 mi·1 min·Texas Street
2
Continue on US 40 Historic
1.1 mi·2 min·West Texas Street
Use the straight lane.
3
Take the ramp
0.2 mi·33 sec
Toward I 80 WestUse the left lane.
4
Merge onto I 80
3.7 mi·4 min·Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
5
Take the exit
0.6 mi·1 min
Exit 40Toward I 680: Benicia, San JoseUse the straight / slight right lanes.
6
Continue on I 680
12 mi·14 min·Luther E Gibson Freeway
Use the straight / slight right lanes.
7
Continue on I 680
8.0 mi·9 min·Benicia-Martinez Bridge
Use the straight / slight right lanes.
8
Keep slight right at fork onto I 680
4.8 mi·5 min·Senator Daniel E Boatwright Highway
Use the straight / slight right lanes.
9
Continue on I 680
1.4 mi·1 min·Donald D Doyle Highway
10
Keep slight right at fork onto I 680
13 mi·15 min·Donald D Doyle Highway
Use the straight / slight right lanes.
11
Take the exit
0.3 mi·33 sec
Exit 30AToward I 580 East: Livermore, StocktonUse the straight / slight right lanes.
12
Keep slight left at fork
0.7 mi·1 min
Toward I 580 East: Livermore, StocktonUse the straight / slight right lanes.
13
Keep slight left at fork
0.3 mi·38 sec
Toward I 580: StocktonUse the straight / slight right lanes.
14
Merge onto I 580
1.4 mi·1 min·Arthur H. Breed Junior Freeway
15
Keep slight right at fork onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
16
Keep slight right at fork onto I 580
11 mi·11 min·William Elton Brown Freeway
17
Keep slight left at fork onto I 580
5.9 mi·6 min·William Elton Brown Freeway
18
Merge onto I 5
224 mi·4 hr·Westside Freeway
Use the straight / slight right lanes.
19
Keep slight right at fork onto I 5 Truck
58 mi·1 hr 6 min·I 5 Truck
Use the straight / slight right lanes.
20
Keep slight left at fork onto I 5
4.1 mi·4 min·Golden State Freeway
Use the straight / slight right lanes.
21
Keep slight right at fork onto I 5 Truck
0.3 mi·17 sec·I 5 Truck
Exit 158Toward I 405 SouthUse the straight / slight right lanes.
22
Keep slight left at fork onto I 5 Truck
25 mi·29 min·I 5 Truck
Use the straight / slight right lanes.
23
Keep slight left at fork onto I 5
1.3 mi·1 min·Golden State Freeway
Toward CA 60 East, I 5 South: Pomona, Soto Street, Santa AnaUse the slight left / straight lanes.
24
Merge onto I 5
26 mi·30 min·Santa Ana Freeway
Use the straight / slight right lanes.
25
Keep slight right at fork onto I 5
0.2 mi·16 sec·Santa Ana Freeway
Use the straight / slight right lanes.
26
Take the exit
0.8 mi·57 sec
Toward Broadway, Main Street, Santa AnaUse the straight / slight right lanes.
27
Keep slight left at fork
0.1 mi·10 sec
Use the straight / slight right lanes.
28
Keep slight left at fork
0.2 mi·12 sec
Toward I 5 South
29
Merge onto I 5
0.8 mi·54 sec·Santa Ana Freeway
30
Keep slight right at fork onto I 5
0.8 mi·52 sec·Santa Ana Freeway
31
Keep slight right at fork onto I 5
1.2 mi·1 min·Santa Ana Freeway
Use the straight / slight right lanes.
32
Take the exit
0.7 mi·1 min
Exit 102Toward Newport AvenueUse the slight right lane.
33
Turn right onto Newport Avenue
0.4 mi·44 sec·Newport Avenue
Use the right lane.
34
Turn left onto Walnut Avenue
2.2 mi·4 min·Walnut Avenue
35
Turn left onto Jamboree Road
0.5 mi·37 sec·Jamboree Road
Toward CA 261 Toll North: Jamboree Road, RiversideUse the left lane.
36
Take the exit
0.3 mi·21 sec
Toward I 5 South
37
Merge onto I 5
5.5 mi·6 min·Santa Ana Freeway
Use the straight / slight right lanes.
38
Keep slight left at fork onto I 5
0.8 mi·55 sec·Santa Ana Freeway
Use the straight / slight right lanes.
39
Merge onto I 5
76 mi·1 hr 29 min·San Diego Freeway
Use the straight / slight right lanes.
40
Take the exit
0.2 mi·28 sec
Exit 17Toward Front Street, Civic Center, 2nd AvenueUse the straight / slight right lanes.
41
Keep slight right at fork
0.1 mi·14 sec
Toward Front Street, Civic Center
42
Continue on Front Street
0.5 mi·1 min·Front Street
Use the straight / left lanes.
43
Arrive at destination
Front Street
Trip Plan
To manage the 515.3-mile distance effectively, I recommend scheduling at least two stops to break up the 8-hour and 6-minute drive. Splitting the journey over two days is the most practical way to ensure you arrive in San Diego feeling refreshed rather than fatigued. Since fuel costs will run you around $70, keep an eye on your gauge during the longer segments to avoid unnecessary detours. Given the nature of the route, departing early in the morning can help you avoid peak traffic congestion on the busier stretches. Use your two planned stops to stretch and recharge, as this will make the transition between the local roads and the interstate much more manageable.
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 257.2 miles from Fairfield, CA, or about 4h 44m into the drive.
The longest continuous stretch on this route runs about 224.4 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 113 miles or 2h 10m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 257.2 miles or 4h 44m 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 257.2 miles or 4h 44m
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 8h 31m
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 Fairfield, 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 Fairfield, CA
Aim for roughly 257 miles and 4.9 hours of wheel time on this day.
Day 2
Finish the approach into San Diego, CA
Aim for roughly 257 miles and 4.9 hours of wheel time on this day.
Your first comfortable stop window is around 113 miles from Fairfield, 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 224.4 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 36
5 decision points cluster between mile 5.6 and 395.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
5.6 mi into trip|~8m in
Take the exit toward I 680: Benicia, San Jose
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 40
Toward I 680: Benicia, San Jose
8
46.3 mi into trip|~55m in
Take the exit toward I 580 East: Livermore, Stockton
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 30A
Toward I 580 East: Livermore, Stockton
8
46.5 mi into trip|~56m in
Keep slight left at fork toward I 580 East: Livermore, Stockton
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 580 East: Livermore, Stockton
8
370.5 mi into trip|~6h 50m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 405 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 158
Toward I 405 South
8
395.5 mi into trip|~7h 20m in|I 5 / Golden State Freeway
Keep slight left at fork onto I 5 / Golden State Freeway toward CA 60 East, I 5 South: Pomona, Soto Street, Santa Ana
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Toward CA 60 East, I 5 South: Pomona, Soto Stre...
Fuel & Cost
Regular Gas
$118.21 one way
$236.42 round trip
$5.84/gal25.4 MPG avg180 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$121.81
$243.62
premium
$6.18
$125.07
$250.14
diesel
$5.61
$113.55
$227.10
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$118
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$248–$358
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 179.9 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $54 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
154.3
1
$54.00
$24.69
Efficient EV
128.6
1
$45.00
$20.57
EV Truck/SUV
205.7
2
$72.00
$32.92
Gas CO2
180 kg
EV CO2
60 kg (67% 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
Fairfield, CA
Night
in Fairfield on Saturday
Local time
9:35 PM
PDT
Current temp
48°F
Unavailable
Live forecast
Destination
San Diego, CA
Night
in San Diego on Saturday
Local time
9:35 PM
PDT
Current temp
56°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.
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
8 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
9h 43m 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.
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 514.3
Park Closure: Park Auditorium Closed Until Further Notice
On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two s...
5 mi from route
~14 min detour
Free
near mile 17.7
Rosie the Riveter WWII Home Front National Historical Park
National Historical Park
Celebrate and honor the contributions and sacrifices of American civilians on the WWII home front. Discover how diverse communities lived, worked, and interacted. Many faces, many stories, many truths...
16 mi from route
~41 min detour
Free
near mile 17.7
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...
22 mi from route
~55 min detour
Free
near mile 35.5
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 372.5
Walk among old growth coast redwoods, cooling their roots in the fresh water of Redwood Creek and lifting their crowns to reach the sun and fog. Federally protected as a National Monument since 1908,...
27 mi from route
~67 min detour
$15
near mile 17.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a long-distance drive that transitions from local roads to major arterials as you work your way toward Southern California. While you begin on West Texas Street, the route quickly shifts into a more standard interstate experience. You will find that the road character is functional and straightforward, prioritizing efficiency to cover the 515.3-mile distance. With 0 miles of the route categorized as highway-share, you will need to pay close attention to your navigation as you transition between the various main roads. The longest stretch you will encounter is on West Texas Street, so stay alert as the environment changes during your 8-hour and 6-minute trek.
92% highway — fuel and pacing are the main things to plan.
43 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 224.4 mi on Westside Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Westside Freeway and I 5 Truck. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 5.6 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 36 significant decision points across 514.3 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 5.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 46.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 46.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
3,433 ft13 ft
Total Climb
4,077 ft
Total Descent
4,051 ft
Highest Point
3,433 ft
~321.5 mi in
Elevation Range
3,420 ft
Notable High Points
3,433 ft at ~321.5 miles+713 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Fairfield, CA and San Diego, CA, road signs point toward Stockton, Santa Ana, Broadway and Riverside.
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
The longest stretch is about 224.4 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 257 miles on day one.
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 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. 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 5.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 46.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 46.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Cabrillo National Monument, Port Chicago Naval Magazine National Memorial and Rosie the Riveter WWII Home Front National Historical Park (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 9.7 hours each way, a round trip means 19.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at San Diego, CA before the return drive.
