San Diego, CA to East Quincy, CA is 649.5 miles and takes about 12h 35m via Westside Freeway and CA 70, with a fuel budget near $156 and likely requiring an overnight stop. This long-haul drive spans California, beginning in the Pacific Coast region and concluding in a similar coastal environment. With a recommended two days for completion, you'll have ample time to break up the drive and enjoy the experience without feeling too rushed. It's a substantial trip that covers a significant portion of the state.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
3 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
324.8 miles from San Diego, CA
A natural place for your longest stop of the day
, about 6h 9m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
304.9 mi
5h 29m
CA 70
112 mi
2h 25m
San Diego Freeway
75.2 mi
1h 27m
Golden State Freeway
50 mi
57m
I 5 Truck
45.3 mi
52m
Santa Ana Freeway
30.4 mi
35m
State Highway 70
9.7 mi
14m
Golden State Highway
7.5 mi
8m
Longest stretch:
Westside Freeway
— 304.9 mi, about 5h 29m
Traffic on I-5
Hour-of-day weekday pattern from 355 FHWA count stations on your route.
Peak
3 PM
~4,785 veh/hr typical
· worst 5,943
Quietest
2 AM
~726 veh/hr
Peak-to-quiet ratio
6.6×
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 Diego, CA and East Quincy, CA.
1
Start on Front Street
26 ft·6 sec·Front Street
2
Turn left onto West Broadway
290 ft·12 sec·West Broadway
3
Turn left onto 1st Avenue
0.6 mi·1 min·1st Avenue
Use the left lane.
4
Take the ramp
0.2 mi·24 sec
Toward I 5 North: Los AngelesUse the left / straight lanes.
5
Merge onto I 5
13 mi·15 min·San Diego Freeway
Use the straight / slight right lanes.
6
Keep slight left at fork onto I 5
36 mi·43 min·San Diego Freeway
Use the straight / slight right lanes.
7
Keep slight right at fork onto I 5
18 mi·20 min·San Diego Freeway
Use the straight / slight right lanes.
8
Keep slight left at fork onto I 5
7.4 mi·8 min·San Diego Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 5 Truck
1.6 mi·1 min·I 5 Truck
Toward Bake ParkwayUse the straight / slight right lanes.
10
Keep slight right at fork onto I 5 Truck
6.0 mi·6 min·I 5 Truck
Use the slight right lane.
11
Take the exit
0.2 mi·16 sec
Exit 100Toward Jamboree RoadUse the slight right lane.
12
Continue on this road
527 ft·11 sec·this road
13
Turn right onto Jamboree Road
0.1 mi·18 sec·Jamboree Road
Use the left / right lanes.
14
Turn left onto El Camino Real
2.2 mi·4 min·El Camino Real
Use the left lane.
15
Turn left onto Newport Avenue
357 ft·13 sec·Newport Avenue
Use the left lane.
16
Take the ramp
0.2 mi·16 sec
Toward I 5 North: Los Angeles
17
Merge onto I 5
1.3 mi·1 min·Santa Ana Freeway
Use the straight / slight right lanes.
18
Keep slight right at fork onto I 5
1.7 mi·1 min·Santa Ana Freeway
19
Keep slight right at fork onto I 5
9.4 mi·10 min·Santa Ana Freeway
Use the slight right lane.
20
Keep slight right at fork onto I 5
18 mi·20 min·Santa Ana Freeway
Use the straight / slight right lanes.
21
Keep slight right at fork onto I 5
25 mi·29 min·Golden State Freeway
Use the straight / slight right lanes.
22
Keep slight left at fork onto I 5
2.2 mi·2 min·Golden State Freeway
Use the straight / slight right lanes.
23
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.
24
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
25
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
26
Keep slight right at fork onto I 5
226 mi·4 hr 1 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
27
Keep slight right at fork onto I 5
26 mi·27 min·Westside Freeway
28
Keep left at fork onto I 5
54 mi·59 min·Westside Freeway
Use the straight / slight right lanes.
29
Keep slight right at fork onto CA 99
7.5 mi·8 min·Golden State Highway
Toward CA 99 North, CA 70: Yuba City, MarysvilleUse the straight / slight right lanes.
30
Continue on CA 99
5.0 mi·5 min·Bernie Richter Memorial Highway
31
Keep slight right at fork onto CA 70
22 mi·25 min·CA 70
Toward CA 70 North: Marysville, OrovilleUse the straight / slight right lanes.
32
Turn right onto 5th Street
0.2 mi·38 sec·5th Street
33
Turn left onto B Street
1.5 mi·3 min·B Street
Use the straight / right lanes.
34
Continue on CA 70
30 mi·35 min·CA 70
Use the left lane.
35
Keep slight right at fork onto CA 70
12 mi·13 min·CA 70
36
Continue on CA 70
48 mi·1 hr 11 min·CA 70
37
Continue on CA 70
0.9 mi·1 min·Feather River Highway
38
Continue on CA 70; CA 89
9.7 mi·14 min·State Highway 70
39
Continue on CA 70; CA 89
0.4 mi·1 min·Crescent Street
40
Turn left onto CA 70; CA 89
2.8 mi·4 min·Main Street
41
Arrive at destination
CA 70; CA 89
Trip Plan
Given the 12.5-hour duration, splitting this drive over two days is highly recommended. Plan to depart early in the morning on your first day to maximize daylight and cover roughly half the distance. With three recommended stops, you'll have opportunities to refuel and rest. Keep an eye on your fuel levels, especially during the longer highway stretches, as services can be spaced out. The shift from the Westside Freeway to CA 70 marks a significant change in the road, so be prepared for a different driving feel as you get closer to East Quincy.
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 3 meaningful breaks for fuel, food, and rest.
The halfway point lands around 324.8 miles from San Diego, CA, or about 6h 9m into the drive.
The longest continuous stretch on this route runs about 304.9 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 143 miles or 2h 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 324.8 miles or 6h 9m 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 324.8 miles or 6h 9m
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 11h 5m
Traffic, exits, and arrival timing usually matter more near East Quincy, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving San Diego, 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 Diego, CA
Aim for roughly 325 miles and 6.3 hours of wheel time on this day.
Day 2
Finish the approach into East Quincy, CA
Aim for roughly 325 miles and 6.3 hours of wheel time on this day.
Your first comfortable stop window is around 143 miles from San Diego, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 3 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 304.9 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 31
5 decision points cluster between mile 76.1 and 522 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
76.1 mi into trip|~1h 29m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward Bake Parkway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward Bake Parkway
7
83.7 mi into trip|~1h 38m in
Take the exit toward Jamboree Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 100
Toward Jamboree Road
9
144.7 mi into trip|~2h 52m 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
509.6 mi into trip|~9h 30m in|CA 99 / Golden State Highway
Keep slight right at fork onto CA 99 / Golden State Highway toward CA 99 North, CA 70: Yuba City, Marysville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward CA 99 North, CA 70: Yuba City, Marysvill...
8
522 mi into trip|~9h 44m in|CA 70
Keep slight right at fork onto CA 70 toward CA 70 North: Marysville, Oroville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward CA 70 North: Marysville, Oroville
Fuel & Cost
Regular Gas
$152.53 one way
$305.06 round trip
$5.97/gal25.4 MPG avg227 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.18
$158.08
$316.16
premium
$6.30
$161.02
$322.04
diesel
$5.35
$136.80
$273.61
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$153
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$283–$393
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 227.2 kg one way.
Prices: EIA weekly data, 2026-06-01.
EV Charging Along Route
23 DC fast chargers
· Coverage: excellent
Jack in the Box - Tesla Supercharger
San Diego, CA
Tesla
8 DCFC
San Diego Metropolitan Transit System
San Diego, CA
Non-Networked
6 DCFC
Northgate Market
San Diego, CA
eVgo Network
4 DCFC
Vons Coronado
Coronado, CA
eVgo Network
4 DCFC
Walmart 5023 (National City, CA)
National City, CA
Electrify America
3 DCFC
Naval Facilities Engineering Command - San Diego - Building 3509
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $68 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
194.9
2
$68.20
$31.18
Efficient EV
162.4
1
$56.83
$25.98
EV Truck/SUV
259.8
3
$90.93
$41.57
Gas CO2
227 kg
EV CO2
76 kg (67% 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 Jun 3, 2026
Origin
San Diego, CA
Afternoon
in San Diego on Wednesday
Local time
12:02 PM
PDT
Current temp
72°F
Mostly Sunny
NW 5 to 10 mph0% chanceLive forecast
Destination
East Quincy, CA
Afternoon
in East Quincy on Wednesday
Local time
12:02 PM
PDT
Current temp
86°F
Sunny
WSW 3 to 7 mph0% chanceLive 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
14 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
12h 35m 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
Park Closure: Cabrillo Will Be Open From 1pm-5pm on Memorial Day, May 25, 2026
Park Closure: Park Auditorium Closed Until Further Notice
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...
25 mi from route
~63 min detour
Free
near mile 134.4
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...
28 mi from route
~70 min detour
Free
near mile 201.6
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is primarily highway driving, with 97% of the trip on major roads. You'll experience a longest stretch of 304.9 miles on the Westside Freeway before transitioning to surface roads. Expect a consistent cruising experience for the majority of your travel, with the shift to non-highway driving occurring later in the trip. Pay attention as you approach the end of the highway segments, as the driving environment will change.
97% highway — fuel and pacing are the main things to plan.
41 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 304.9 mi on Westside Freeway.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on Westside Freeway and CA 70. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 76.1 miles in near I 5 Truck.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 31 significant decision points across 649.5 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 76.1 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here; at 83.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 144.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
High-altitude sections with notable climbs
3,621 ft14 ft
Total Climb
7,365 ft
Total Descent
3,913 ft
Highest Point
3,621 ft
~185.6 mi in
Elevation Range
3,608 ft
Notable High Points
3,621 ft at ~185.6 miles+2,662 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 Diego, CA and East Quincy, CA, road signs point toward Marysville and Oroville.
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 304.9 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 325 miles on day one.
Yes — we found about 45 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 East Quincy, 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 3 meaningful breaks. There are 45 rest areas along the route for bathroom stops.
The main spots that need attention: at 76.1 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here; at 83.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 144.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Cabrillo National Monument, 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 12.6 hours each way, a round trip means 25.2 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at East Quincy, CA before the return drive.
