San Diego to Eureka is 763.7 miles and takes about 14h 45m via the Westside Freeway, Redwood Highway, and San Diego Freeway, with a fuel budget near $167 and best split over two days. This long-haul drive connects two points along California's Pacific Coast, taking you from Southern California's urban edge north through varied landscapes. It's a significant distance, so planning for an overnight stop is highly recommended to make the most of your time on the road. Be prepared for a full day of driving each day you undertake this route.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
4 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
381.9 miles from San Diego, CA
A natural place for your longest stop of the day
, about 7h 10m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
225.6 mi
4h 1m
Redwood Highway
184.2 mi
3h 45m
San Diego Freeway
75.2 mi
1h 27m
Saint Helena Highway
51.2 mi
59m
Golden State Freeway
50 mi
57m
I 5 Truck
45.3 mi
52m
Santa Ana Freeway
30.4 mi
35m
Arthur H. Breed Junior Freeway
19.6 mi
22m
Longest stretch:
Westside Freeway
— 225.6 mi, about 4h 1m
Traffic on I-5
Hour-of-day weekday pattern from 460 FHWA count stations on your route.
Peak
3 PM
~3,834 veh/hr typical
· worst 4,705
Quietest
2 AM
~535 veh/hr
Peak-to-quiet ratio
7.2×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 96 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 Eureka, 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 left at fork onto I 580
16 mi·17 min·William Elton Brown Freeway
Toward I 580 West: Tracy, San Francisco
28
Keep slight right at fork onto I 580 Bypass
1.1 mi·1 min·William Elton Brown Freeway
29
Merge onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
30
Keep slight right at fork onto I 580
1.6 mi·1 min·Arthur H. Breed Junior Freeway
31
Take the exit
0.2 mi·16 sec
Exit 44BToward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut CreekUse the slight right lane.
32
Keep slight right at fork
0.3 mi·30 sec
Toward I 680 North: Walnut Creek, Concord, SacramentoUse the straight / slight right lanes.
33
Merge onto I 680
15 mi·17 min·Donald D Doyle Highway
Use the straight / slight right lanes.
34
Continue on I 680
5.0 mi·5 min·Senator Daniel E Boatwright Highway
Toward I 680, CA 24Use the straight / slight right lanes.
35
Keep slight left at fork onto I 680
6.0 mi·6 min·Senator Daniel E Boatwright Highway
Toward I 680 North: Martinez, SacramentoUse the straight / slight right lanes.
36
Keep slight left at fork onto I 680
243 ft·3 sec·Senator Daniel E Boatwright Highway
37
Keep slight right at fork onto I 680
1.8 mi·2 min·Senator Daniel E Boatwright Highway
Use the slight right lane.
38
Keep slight left at fork onto I 780
6.7 mi·7 min·I 780
Toward I 780: BeniciaUse the straight / slight right lanes.
39
Take the exit
0.3 mi·33 sec
Exit 1BToward I 80 East: SacramentoUse the slight right lane.
40
Keep slight left at fork
448 ft·11 sec
Toward I 80 East: SacramentoUse the slight left lane.
41
Merge onto I 80
2.7 mi·3 min·Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
42
Take the exit
0.1 mi·18 sec
Exit 33Toward CA 37: Napa, Novato, Auto Mall, Columbus ParkwayUse the straight / slight right lanes.
43
Keep slight left at fork
0.5 mi·1 min
Toward CA 37: NapaUse the straight / slight right lanes.
44
Continue on CA 37
1.5 mi·1 min·CA 37
Toward CA 37Use the straight / slight right lanes.
45
Take the exit
0.4 mi·51 sec
Exit 19Toward CA 29: Napa, Sonoma BoulevardUse the straight / slight right lanes.
46
Turn right onto CA 29
1.6 mi·1 min·Sonoma Boulevard
Use the right lane.
47
Continue on CA 29
4.0 mi·4 min·Broadway Street
Use the straight lane.
48
Continue on CA 29
1.3 mi·1 min·Napa–Vallejo Highway
Use the left lane.
49
Continue on CA 12; CA 29
22 mi·25 min·Saint Helena Highway
Use the straight / slight right lanes.
50
Continue on CA 29; CA 128
2.4 mi·2 min·Main Street
51
Continue on CA 29; CA 128
6.8 mi·7 min·Saint Helena Highway
52
Continue on CA 128
1.4 mi·1 min·Foothill Boulevard
53
Continue on CA 128
16 mi·18 min·Saint Helena Highway
54
Continue on CA 128
6.6 mi·7 min·Saint Helena Highway
55
At end of road, turn right onto CA 128
0.9 mi·1 min·Geyserville Avenue
56
Turn left onto CA 128
359 ft·6 sec·Canyon Road
57
Take the exit onto CA 128
0.3 mi·39 sec·CA 128
58
Merge onto US 101; CA 128
55 mi·1 hr 7 min·Redwood Highway
Use the straight / slight right lanes.
59
Continue on US 101
4.5 mi·5 min·Willits Bypass
Use the straight / slight right lanes.
60
Take the exit
0.7 mi·48 sec
61
Merge onto US 101
0.2 mi·16 sec·Willits Bypass
62
Continue on US 101
129 mi·2 hr 38 min·Redwood Highway
Use the straight / slight right lanes.
63
Continue on US 101
2.9 mi·6 min·Broadway Street
Use the straight / right lanes.
64
Turn right onto US 101
0.6 mi·1 min·West 5th Street
65
Turn right onto H Street
61 ft·1 sec·H Street
66
Arrive at destination
H Street
Trip Plan
Given the 14h 45m estimated duration, splitting this drive over two days is the most practical approach. Aim to leave early on your first day to cover roughly half the distance, allowing for around 7-8 hours of driving. Plan your overnight stop strategically, perhaps around the halfway point, to break up the 763.7 miles. Keep an eye on your fuel, especially during the longer highway stretches, and budget around $167 for gas. Remember to factor in time for at least four stops to rest and refuel.
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 4 meaningful breaks for fuel, food, and rest.
The halfway point lands around 381.9 miles from San Diego, CA, or about 7h 10m into the drive.
The longest continuous stretch on this route runs about 225.6 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 168 miles or 3h 18m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 381.9 miles or 7h 10m 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 381.9 miles or 7h 10m
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 13h 28m
Traffic, exits, and arrival timing usually matter more near Eureka, 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 382 miles and 7.4 hours of wheel time on this day.
Day 2
Finish the approach into Eureka, CA
Aim for roughly 382 miles and 7.4 hours of wheel time on this day.
Your first comfortable stop window is around 168 miles from San Diego, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 4 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 225.6 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 52
5 decision points cluster between mile 144.7 and 502.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
466.8 mi into trip|~8h 43m in
Take the exit toward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 44B
Toward I 680 South, I 680 North: San Jose, Sacr...
9
466.9 mi into trip|~8h 43m in
Keep slight right at fork toward I 680 North: Walnut Creek, Concord, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 680 North: Walnut Creek, Concord, Sacr...
8
487.4 mi into trip|~9h 7m in|I 680 / Senator Daniel E Boatwright Highway
Keep slight left at fork onto I 680 / Senator Daniel E Boatwright Highway toward I 680 North: Martinez, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 680 North: Martinez, Sacramento
8
502.3 mi into trip|~9h 24m in
Keep slight left at fork toward I 80 East: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 80 East: Sacramento
Fuel & Cost
Regular Gas
$186.90 one way
$373.79 round trip
$6.22/gal25.4 MPG avg267 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.40
$192.46
$384.92
premium
$6.57
$197.42
$394.84
diesel
$6.18
$185.78
$371.57
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$187
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$317–$427
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 267.2 kg one way.
Prices: EIA weekly data, 2026-10-12.
Driving Electric?
About $80 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
229.1
2
$80.19
$36.66
Efficient EV
190.9
2
$66.82
$30.55
EV Truck/SUV
305.5
3
$106.92
$48.88
Gas CO2
267 kg
EV CO2
89 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 Oct 17, 2026
Origin
San Diego, CA
Afternoon
in San Diego on Sunday
Local time
4:13 PM
PDT
Current temp
91°F
Slight Chance Rain Showers then Mostly Sunny
NE 0 to 5 mph19% chanceLive forecast
Red Flag Warning
Red Flag Warning issued October 17 at 9:11AM PDT until October 17 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Red Flag Warning
Red Flag Warning issued October 17 at 9:11AM PDT until October 17 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Destination
Eureka, CA
Afternoon
in Eureka on Sunday
Local time
4:13 PM
PDT
Current temp
59°F
Patchy Fog then Mostly Cloudy
NNW 1 to 9 mph0% chanceLive forecast
Red Flag Warning
Red Flag Warning issued October 17 at 9:11AM PDT until October 17 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Red Flag Warning
Red Flag Warning issued October 17 at 9:11AM PDT until October 17 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
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
32 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
14h 45m 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...
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...
9 mi from route
~23 min detour
Free
near mile 500.4
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...
15 mi from route
~37 min detour
Free
near mile 500.4
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...
23 mi from route
~56 min detour
Free
near mile 500.4
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,...
25 mi from route
~61 min detour
$15
near mile 500.4
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...
26 mi from route
~65 min detour
Free
near mile 131.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
You'll spend about 62% of this 763.7-mile trip on major highways. The longest continuous stretch on a highway is 225.6 miles on the Westside Freeway, indicating significant periods of uninterrupted cruising. After the highway segments, expect to transition to surface roads, which will likely involve more local traffic and varying speed limits. This type of drive often features periods of dense exits followed by more open cruising.
62% highway — fuel and pacing are the main things to plan.
66 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 225.6 mi on Westside Freeway.
How Hard Is This Drive?
10/10
At 14h 45m, this is a long-haul route where pacing matters more than any single turn. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 144.7 miles in near I 5 Truck.
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 52 significant decision points across 763.7 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 144.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 466.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 466.9 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
1,765 ft39 ft
Total Climb
3,502 ft
Total Descent
3,496 ft
Highest Point
1,765 ft
~163.7 mi in
Elevation Range
1,726 ft
Notable High Points
1,765 ft at ~163.7 miles+1,479 ft prominence
1,559 ft at ~654.6 miles+921 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 Eureka, CA, road signs point toward San Francisco, Sacramento, Concord, Walnut Creek, Novato and Auto Mall.
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
•San Diego Zoo — zoo in Balboa Park, San Diego, California, United States
•Balboa Park — historic park in San Diego, California
Eureka is a city in Humboldt County, California. With a population of slightly over 25,000, it is the largest coastal city on the West Coast of the United States north of San Francisco and south of Portland and the center of the California North Coast (Redwood Coast). Eureka is Ancient Greek for "I have found it," and the city got its name as a hopeful statement made by miners during the California Gold Rush, but it was the timber industry that gave the town its early wealth. Now, with logging in decline, it retains the charm of that era with older Victorian buildings and the feel of an old-fashioned working town.
Situated on the shores of Humboldt Bay, Eureka provides an urban environment in this rugged corner of California with a quaint but lively city center, thriving arts scene, and variety of shopping and dining options without the hectic rush of other major cities in the state.
Top landmarks
•Eureka Inn — hotel in Eureka, California
•Clarke Historical Museum — building in the United States of America
•Old Town Eureka — historic district in Eureka, California, United States
The longest stretch is about 225.6 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 382 miles on day one.
Yes — we found about 49 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 Eureka, 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 4 meaningful breaks. There are 49 rest areas along the route for bathroom stops.
The main spots that need attention: at 144.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 466.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 466.9 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 14.8 hours each way, a round trip means 29.5 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Eureka, CA before the return drive.
