Traveling from Pomona to San Diego covers 117.3 miles and typically takes about 1 hour and 51 minutes. Because this is a turn-heavy local drive rather than a straight highway shot, you should plan for a single day of travel. You can expect to spend approximately $16 on fuel for the trip, making it an affordable excursion within the Pacific Coast region. Since the route avoids major highways entirely, you will stay off the typical interstate grid. This journey is straightforward enough to complete in one go, so there is no need to worry about booking an overnight stay.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
57.9 miles from Pomona, CA
A natural place for your longest stop of the day
, about 1h 7m into the drive
.
Main Roads
Road
Distance
Duration
Avocado Highway
21.9 mi
23m
Escondido Freeway
21.1 mi
23m
Temecula Valley Freeway
19.1 mi
20m
Corona Freeway
18.3 mi
21m
Chino Valley Freeway
9.2 mi
10m
Cabrillo Freeway
8.2 mi
9m
Tony Gwynn Memorial Freeway
4.5 mi
5m
Riverside Freeway
3.9 mi
4m
Longest stretch:
Avocado Highway
— 21.9 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Pomona, CA and San Diego, CA.
1
Start on South Main Street
90 ft·11 sec·South Main Street
2
Turn left onto West Mission Boulevard
0.1 mi·15 sec·West Mission Boulevard
3
Turn right onto South Garey Avenue
1.5 mi·2 min·South Garey Avenue
Use the left lane.
4
Turn right onto Rio Rancho Road
0.6 mi·1 min·Rio Rancho Road
5
Turn left
0.1 mi·13 sec
Toward CA 71 South, CA 60 East: Corona, RiversideUse the left lane.
6
Keep slight left at fork
0.3 mi·40 sec
Toward CA 71 South: CoronaUse the straight / slight right lanes.
7
Merge onto CA 71
9.2 mi·10 min·Chino Valley Freeway
Use the straight / slight right lanes.
8
Continue on CA 71
2.9 mi·3 min·Corona Freeway
9
Keep slight left at fork
0.7 mi·1 min
Toward CA 91 East: RiversideUse the slight left lane.
10
Merge onto CA 91
3.9 mi·4 min·Riverside Freeway
Use the straight / slight right lanes.
11
Take the exit onto Corona Freeway
0.8 mi·55 sec·Corona Freeway
Exit 51Toward I 15 North, I 15 South: Barstow, San DiegoUse the straight / slight right lanes.
12
Keep slight right at fork onto Corona Freeway
0.5 mi·58 sec·Corona Freeway
Toward I 15 South: San DiegoUse the slight right lane.
13
Merge onto I 15
14 mi·15 min·Corona Freeway
Use the straight / slight right lanes.
14
Continue on I 15
19 mi·20 min·Temecula Valley Freeway
Use the straight / slight right lanes.
15
Merge onto I 15
5.8 mi·6 min·Escondido Freeway
Use the straight / slight right lanes.
16
Continue on I 15
22 mi·23 min·Avocado Highway
Use the straight / slight right lanes.
17
Continue on I 15
3.4 mi·3 min·Escondido Freeway
Use the straight / slight right lanes.
18
Keep slight right at fork onto I 15
8.7 mi·10 min·Escondido Freeway
Use the slight right lane.
19
Continue on I 15
4.5 mi·5 min·Tony Gwynn Memorial Freeway
Use the straight / slight right lanes.
20
Continue on I 15
3.1 mi·3 min·Escondido Freeway
Use the straight / slight right lanes.
21
Continue on I 15
2.2 mi·2 min·Semper Fi Highway
Use the straight / slight right lanes.
22
Take the exit
0.7 mi·51 sec
Exit 12Toward CA 163 SouthUse the slight right lane.
23
Continue on CA 163
8.2 mi·9 min·Cabrillo Freeway
Toward CA 163Use the straight / slight right lanes.
24
Continue on CA 163
1.5 mi·1 min·Cabrillo Parkway
25
Continue on CA 163
0.8 mi·1 min·Cabrillo Parkway
Use the straight / slight right lanes.
26
Continue on CA 163
0.3 mi·41 sec·10th Avenue
Use the straight / left lanes.
27
Turn right onto Broadway
0.5 mi·1 min·Broadway
28
Turn left onto Front Street
26 ft·0 sec·Front Street
Use the left lane.
29
Arrive at destination
Front Street
Trip Plan
Since this is a turn-heavy route through local streets, you should prioritize leaving early to avoid the frustration of heavy local traffic. With zero scheduled stops, you have the flexibility to pull over whenever you need a break, but remember that the drive is short enough that you likely won't require a formal rest period. Keep your navigation system updated, as the reliance on local roads like South Garey Avenue means you will be making many turns rather than just cruising. Budgeting $16 for fuel is a solid baseline, but keep a little extra set aside for potential detours if you miss a turn. Flexibility is your greatest asset here, so take your time and enjoy the local perspective of the journey.
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 57.9 miles from Pomona, CA, or about 1h 7m into the drive.
The longest continuous stretch on this route runs about 21.9 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 25 miles or 31m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 57.9 miles or 1h 7m 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 48m
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 Pomona, 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 Pomona, CA
This is one driving day of about 115.8 miles and 2h 13m.
Your first comfortable stop window is around 25 miles from Pomona, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Avocado Highway for about 21.9 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 17
5 decision points cluster between mile 2.3 and 20.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
2.3 mi into trip|~4m in
Turn left toward CA 71 South, CA 60 East: Corona, Riverside
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward CA 71 South, CA 60 East: Corona, Riversi...
8
2.4 mi into trip|~4m in
Keep slight left at fork toward CA 71 South: Corona
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward CA 71 South: Corona
7
14.7 mi into trip|~19m in
Keep slight left at fork toward CA 91 East: Riverside
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward CA 91 East: Riverside
8
19.3 mi into trip|~25m in|Corona Freeway
Take the exit onto Corona Freeway toward I 15 North, I 15 South: Barstow, San Diego
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 51
Toward I 15 North, I 15 South: Barstow, San Die...
7
20.1 mi into trip|~25m in|Corona Freeway
Keep slight right at fork onto Corona Freeway toward I 15 South: San Diego
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 15 South: San Diego
Fuel & Cost
Regular Gas
$26.62 one way
$53.23 round trip
$5.84/gal25.4 MPG avg41 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$27.43
$54.85
premium
$6.18
$28.16
$56.32
diesel
$5.61
$25.57
$51.13
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: 40.5 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
34.7
0
$12.16
$5.56
Efficient EV
29
0
$10.13
$4.63
EV Truck/SUV
46.3
0
$16.21
$7.41
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
Pomona, CA
Late night
in Pomona on Tuesday
Local time
1:50 AM
PDT
Current temp
52°F
Unavailable
Live forecast
Destination
San Diego, CA
Late night
in San Diego on Tuesday
Local time
1:50 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
6 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 13m 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 115.8
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?
Expect a very different experience than your standard freeway commute, as this route features a 0% highway share. You will be navigating via local roads like West Mission Boulevard, South Garey Avenue, and Rio Rancho Road, which require constant attention behind the wheel. Because there are no long, uninterrupted stretches of road—with the longest segment being 0 miles on West Mission Boulevard—the drive feels technical and hands-on. You will be making frequent turns throughout the 117.3-mile trip. Prepare for a steady, rhythmic pace that keeps you engaged with local traffic patterns from start to finish.
75% highway — fuel and pacing are the main things to plan.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 21.9 mi on Avocado Highway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Avocado Highway and Escondido Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.3 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 17 significant decision points across 115.8 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 2.3 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 2.4 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 14.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Pomona is in the San Gabriel Valley, near Los Angeles, California. Named after the Roman goddess of fruit, in the 1920s it was indeed known as "the Queen of the Citrus Belt." However, its origins preceded that epoch as an allotment given to two ranchers, Ricardo Véjar and Ygnacio Palomares, in the 1830s, when the territory was still part of Mexico. After the Treaty of Guadalupe Hidalgo and becoming part of the USA, it eventually became absorbed into the megalopolis of southern California, with perhaps its main standout nowadays being the site of the LA County Fair, or the location of Cal Polytechnic U.
Top landmarks
•Pomona Fox Theater — movie theater in Pomona, Los Angeles County, California
•Ygnacio Palomares Adobe — historic house in California, United States
•Wally Parks NHRA Motorsports Museum — automotive museum in California, United States
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 13m. Total distance: 115.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 13m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (75%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 21.9 miles on Avocado Highway. 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 2.3 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 2.4 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 14.7 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.
