Big Pine, CA to San Diego, CA is 338.5 miles and takes about 6h 37m via Blue Star Memorial Highway, Grand Army of the Republic Highway, and I 215 Truck, with a fuel budget near $78 and enough daylight to finish in a day. This trip takes you from the Pacific Coast region down to the same region, traversing varied terrain. With a recommended single day of driving, this route is ideal for those looking to cover ground efficiently. You'll want to be prepared for a mix of highway and surface road driving as you make your way south.
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
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
169.3 miles from Big Pine, CA
A natural place for your longest stop of the day
, about 3h 22m into the drive
.
Main Roads
Road
Distance
Duration
Blue Star Memorial Highway
103.3 mi
2h 3m
Grand Army of the Republic Highway
97.2 mi
1h 53m
I 215 Truck
36.7 mi
41m
Avocado Highway
21.9 mi
23m
Escondido Freeway
15.3 mi
17m
Barstow and Mojave Freeway
9.7 mi
10m
Barstow Freeway
9.5 mi
10m
Cabrillo Freeway
8.2 mi
9m
Longest stretch:
Blue Star Memorial Highway
— 103.3 mi, about 2h 3m
Traffic on I-15
Hour-of-day weekday pattern from 45 FHWA count stations on your route.
Peak
2 PM
~6,893 veh/hr typical
Quietest
1 AM
~839 veh/hr
Peak-to-quiet ratio
8.2×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 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 Big Pine, CA and San Diego, CA.
1
Start on US 395; US 6 Hist
26 mi·30 min·Grand Army of the Republic Highway
Use the straight lane.
2
Continue on US 395; US 6 Hist
0.7 mi·1 min·North Edwards Street
3
Continue on US 395; US 6 Hist
15 mi·17 min·Grand Army of the Republic Highway
Use the straight lane.
4
Continue on US 395; US 6 Hist
2.2 mi·4 min·North Main Street
5
Continue on US 395; US 6 Hist
56 mi·1 hr 4 min·Grand Army of the Republic Highway
Use the straight lane.
6
Continue on US 395; US 6 Hist
7.0 mi·8 min·Blue Star Memorial Highway
Use the straight lane.
7
Keep slight left at fork onto US 395
30 mi·34 min·Blue Star Memorial Highway
Toward US 395 South: San BernardinoUse the slight left / slight right lanes.
8
Continue on US 395
0.9 mi·1 min·Red Mountain Road
9
Continue on US 395
67 mi·1 hr 20 min·Blue Star Memorial Highway
Use the straight lane.
10
Take the exit
0.7 mi·1 min
Toward I 15 South: San Bernardino, Los AngelesUse the straight lane.
11
Merge onto I 15; US 66 Hist
3.4 mi·3 min·Barstow and Mojave Freeway
Use the straight / slight right lanes.
12
Continue on I 15; US 66 Hist; US 91 Hist; US 395 Hist
5.6 mi·6 min·CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway
Use the straight / slight right lanes.
13
Continue on I 15; US 66 Hist
6.3 mi·6 min·Barstow and Mojave Freeway
Use the straight / slight right lanes.
14
Continue on I 215
0.2 mi·13 sec·Barstow Freeway
Exit 123
15
Keep slight left at fork onto I 215
9.3 mi·10 min·Barstow Freeway
Use the slight left / slight right lanes.
16
Continue on I 215
5.6 mi·6 min·San Bernardino Freeway
Use the straight / slight right lanes.
17
Continue on I 215
5.3 mi·6 min·Riverside Freeway
Use the straight / slight right lanes.
18
Take the exit onto I 215
5.1 mi·5 min·I 215
Toward I 215 South, CA 60 East: San Diego, IndioUse the straight / slight right lanes.
19
Keep slight right at fork onto I 215 Truck; CA 60 Truck
0.5 mi·33 sec·I 215 Truck; CA 60 Truck
Toward I 215, CA 60 TruckUse the straight / slight right lanes.
20
Keep slight right at fork onto I 215 Truck
36 mi·41 min·I 215 Truck
Use the slight left / slight right lanes.
21
Continue on I 15
22 mi·23 min·Avocado Highway
Use the straight / slight right lanes.
22
Continue on I 15
3.4 mi·3 min·Escondido Freeway
Use the straight / slight right lanes.
23
Keep slight right at fork onto I 15
8.7 mi·10 min·Escondido Freeway
Use the slight right lane.
24
Continue on I 15
4.5 mi·5 min·Tony Gwynn Memorial Freeway
Use the straight / slight right lanes.
25
Continue on I 15
3.1 mi·3 min·Escondido Freeway
Use the straight / slight right lanes.
26
Continue on I 15
2.2 mi·2 min·Semper Fi Highway
Use the straight / slight right lanes.
27
Take the exit
0.7 mi·51 sec
Exit 12Toward CA 163 SouthUse the slight right lane.
28
Continue on CA 163
8.2 mi·9 min·Cabrillo Freeway
Toward CA 163Use the straight / slight right lanes.
29
Continue on CA 163
1.5 mi·1 min·Cabrillo Parkway
30
Continue on CA 163
0.8 mi·1 min·Cabrillo Parkway
Use the straight / slight right lanes.
31
Continue on CA 163
0.3 mi·41 sec·10th Avenue
Use the straight / left lanes.
32
Turn right onto Broadway
0.5 mi·1 min·Broadway
33
Turn left onto Front Street
26 ft·0 sec·Front Street
Use the left lane.
34
Arrive at destination
Front Street
Trip Plan
Given the 6h 37m estimated drive time, leaving Big Pine in the morning is your best bet to arrive in San Diego with daylight to spare. You'll have one main stop suggested, but with a total duration under 7 hours, you have flexibility to adjust your pace. Be mindful of the 30% highway share, as this means more opportunities for varied traffic patterns and speed limit changes. Keep an eye on your fuel, especially before longer stretches on surface roads like the 103.3 miles you'll encounter on the Blue Star Memorial Highway.
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 1 meaningful break for fuel, food, and rest.
The halfway point lands around 169.3 miles from Big Pine, CA, or about 3h 22m into the drive.
The longest continuous stretch on this route runs about 103.3 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 74 miles or 1h 29m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 169.3 miles or 3h 22m 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 29m
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 Big Pine, 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 Big Pine, CA
This is one driving day of about 338.5 miles and 6h 37m.
Your first comfortable stop window is around 74 miles from Big Pine, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Blue Star Memorial Highway for about 103.3 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 13
5 decision points cluster between mile 107.1 and 326.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
107.1 mi into trip|~2h 8m in|US 395 / Blue Star Memorial Highway
Keep slight left at fork onto US 395 / Blue Star Memorial Highway toward US 395 South: San Bernardino
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward US 395 South: San Bernardino
7
204.3 mi into trip|~4h 5m in
Take the exit toward I 15 South: San Bernardino, Los Angeles
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward I 15 South: San Bernardino, Los Angeles
7
240.6 mi into trip|~4h 45m in|I 215
Take the exit onto I 215 toward I 215 South, CA 60 East: San Diego, Indio
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.
Toward I 215 South, CA 60 East: San Diego, Indi...
8
245.8 mi into trip|~4h 51m in|I 215 Truck; CA 60 Truck
Keep slight right at fork onto I 215 Truck; CA 60 Truck toward I 215, CA 60 Truck
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 215, CA 60 Truck
7
326.4 mi into trip|~6h 22m in
Take the exit toward CA 163 South
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 12
Toward CA 163 South
Fuel & Cost
Regular Gas
$70.82 one way
$141.64 round trip
$5.31/gal25.4 MPG avg118 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.52
$73.55
$147.10
premium
$5.67
$75.50
$150.99
diesel
$4.80
$63.92
$127.83
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$71
Meals
$25–$50
Total
$96–$121
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 118.4 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $36 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
101.6
1
$35.54
$16.25
Efficient EV
84.6
0
$29.62
$13.54
EV Truck/SUV
135.4
1
$47.39
$21.66
Gas CO2
118 kg
EV CO2
40 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 Jul 17, 2026
Origin
Big Pine, CA
Morning
in Big Pine on Sunday
Local time
10:37 AM
PDT
Current temp
97°F
Sunny
W 3 to 14 mph3% chanceLive forecast
Red Flag Warning
Red Flag Warning issued July 17 at 1:44AM PDT until July 17 at 8:00PM PDT by NWS Medford OR
Red Flag Warning
Red Flag Warning issued July 17 at 1:44AM PDT until July 17 at 8:00PM PDT by NWS Medford OR
Destination
San Diego, CA
Morning
in San Diego on Sunday
Local time
10:37 AM
PDT
Current temp
67°F
Mostly Cloudy
S 5 mph1% chanceLive forecast
Red Flag Warning
Red Flag Warning issued July 17 at 1:44AM PDT until July 17 at 8:00PM PDT by NWS Medford OR
Red Flag Warning
Red Flag Warning issued July 17 at 1:44AM PDT until July 17 at 8:00PM PDT by NWS Medford OR
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
30 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
6h 37m 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.
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 338.5
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 drive is about 30% highway, meaning you'll transition to surface roads for a significant portion. The longest continuous stretch on the Blue Star Memorial Highway is 103.3 miles, offering a good opportunity for consistent cruising. After that, expect a mix of driving environments as you navigate the Grand Army of the Republic Highway and I 215 Truck. You'll notice the change from faster highway speeds to more varied conditions as you get closer to your destination.
30% highway, the rest on surface roads — varied driving throughout.
34 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 103.3 mi on Blue Star Memorial Highway.
How Hard Is This Drive?
8/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 107.1 miles in near US 395 / Blue Star Memorial Highway.
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 13 significant decision points across 338.5 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 107.1 miles (US 395 / Blue Star Memorial Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 204.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 240.6 miles (I 215): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
4,013 ft39 ft
Total Climb
1,411 ft
Total Descent
5,359 ft
Highest Point
4,013 ft
~72.5 mi in
Elevation Range
3,973 ft
Notable High Points
4,013 ft at ~72.5 miles+319 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Big Pine, CA and San Diego, CA, road signs point toward Los Angeles and Indio.
Big Pine is in the Eastern Sierra region of California. It is one of a chain of small towns along US Route 395 in the Owens Valley along the southern Sierra Nevada.
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 6h 37m. Total distance: 338.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 37m drive, plan rest stops for pacing.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 103.3 miles on Blue Star Memorial Highway. The full list of main roads is in the Roads section above.
Yes — we found about 9 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 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 1 meaningful breaks. There are 9 rest areas along the route for bathroom stops.
The main spots that need attention: at 107.1 miles (US 395 / Blue Star Memorial Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 204.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 240.6 miles (I 215): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Cabrillo National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.6 hours each way, a round trip means 13.3 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.
