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Trip from Westmont, CA to San Diego, CA

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards

Drive Time

2h 9m

Distance

120.5 mi

194 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$28

one way

EV Charging

Unknown

Best Time to Leave

Save up to 27 min
4 AM
2h 0m ★
6 AM
2h 9m
8 AM
2h 27m
10 AM
2h 16m
12 PM
2h 14m
3 PM
2h 16m
5 PM
2h 26m
8 PM
2h 4m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Westmont, CA, CA

Westmont, CA

Stephen Leonardi

seat of San Diego County, California, United States; second-largest city in California

San Diego, CA

Wikimedia Commons

Trip Overview

The drive from Westmont, CA to San Diego, CA covers 120.5 miles and takes about 2h 9m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on West 105th Street, Denker Avenue, West 106th Street for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $27.70 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Midpoint

60.3 miles from Westmont, CA

A natural place for your longest stop of the day , about 1h 4m into the drive .

About the Cities

Arriving in San Diego, CA

Full guide →

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.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 2h 9m. Total distance: 120.5 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

2h 9m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (0%). Straightforward navigation.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 2h 9m drive with frequent turns across 120.5 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 26 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West 105th Street is one of the defining roads on this drive.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive.

Driving Effort 1/10

Very easy - short and simple to drive

Balances navigation complexity with total wheel time.

The drive from Westmont, CA to San Diego, CA is easy. At 2h 9m with 0% highway, most drivers will find it relaxed and low-stress.

Where does it get tricky?

This route does not have any notably tricky sections. Most of the drive from Westmont, CA to San Diego, CA is straightforward, with well-signed roads and simple exits.

Main Roads

Road Distance Duration
West 105th Street
Denker Avenue
West 106th Street
South Normandie Avenue
West El Segundo Boulevard
I 110 South
Harbor Freeway
I 405

Some road-level metrics are being recalculated.

Longest stretch: West 105th Street — detailed segment metrics are refreshing.

Turn-by-Turn Driving Directions

Step-by-step road directions between Westmont, CA and San Diego, CA.

1

Start on the route

171 ft · 14 sec · the route
2

Turn right onto West 105th Street

0.1 mi · 35 sec · West 105th Street
3

Turn left onto Denker Avenue

338 ft · 17 sec · Denker Avenue
4

Turn left onto West 106th Street

0.3 mi · 49 sec · West 106th Street
5

Turn right onto South Normandie Avenue

1.6 mi · 3 min · South Normandie Avenue
6

Turn left onto West El Segundo Boulevard

0.8 mi · 1 min · West El Segundo Boulevard
7

Take the ramp right toward I 110 South: San Pedro

0.3 mi · 37 sec · I 110 South: San Pedro
8

Merge slight left onto Harbor Freeway

2.8 mi · 3 min · Harbor Freeway
9

Take the exit slight right toward I 405

0.3 mi · 42 sec · I 405
10

Keep slight left to continue on I 405 North, I 405 South

0.5 mi · 59 sec · I 405 North, I 405 South
11

Keep slight right to continue on I 405 South: Long Beach

0.4 mi · 53 sec · I 405 South: Long Beach
12

Merge slight left onto San Diego Freeway

14 mi · 15 min · San Diego Freeway
13

Keep slight right to continue on San Diego Freeway

2.3 mi · 2 min · San Diego Freeway
14

Keep slight left to continue on San Diego Freeway

0.2 mi · 12 sec · San Diego Freeway
15

Keep slight left

10 mi · 11 min
16

Keep slight right to continue on Corona Del Mar Freeway

4.0 mi · 4 min · Corona Del Mar Freeway
17

Continue on San Joaquin Hills Transportation Corridor

10 mi · 11 min · San Joaquin Hills Transportation Corridor
18

Take the exit slight right toward La Paz Road, Moulton Parkway

436 ft · 6 sec · La Paz Road, Moulton Parkway
19

Keep slight left to continue on CA 73 South: Moulton Parkway

0.5 mi · 33 sec · CA 73 South: Moulton Parkway
20

Keep slight left to continue on CA 73 South

0.6 mi · 42 sec · CA 73 South
21

Merge slight left onto San Joaquin Hills Transportation Corridor

2.5 mi · 2 min · San Joaquin Hills Transportation Corridor
22

Merge slight left onto San Diego Freeway

68 mi · 1 hr 19 min · San Diego Freeway
23

Take the exit slight right toward Front Street, Civic Center, 2nd Avenue

0.2 mi · 28 sec · Front Street, Civic Center, 2nd Avenue
24

Keep slight right to continue on Front Street, Civic Center

0.1 mi · 15 sec · Front Street, Civic Center
25

Continue on Front Street

0.5 mi · 1 min · Front Street
26

Arrive at your destination

Trip Plan

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 60.3 miles from Westmont, CA, or about 1h 4m into the drive.

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 27 miles or 28m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 60.3 miles or 1h 4m 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 45m

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 Westmont, 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 Westmont, CA

This is one driving day of about 120.5 miles and 2h 9m.

Your first comfortable stop window is around 27 miles from Westmont, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 60.3 mi from Westmont, CA · 1h 4m into the drive

city in Orange County, California, United States

Mid-route town

Meal stop

Irvine, CA

60 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Irvine, CA to San Diego, CA

82.9 mi · 1h 38m

Pacing Suggestions

Long Beach, CA

Fuel and coffee

A short stop after about 27 miles helps settle the day before fatigue starts building.

Irvine, CA

Meal break

The midpoint is around 60.3 miles from Westmont, CA, which is a good place for a longer meal and fuel stop.

Arriving in San Diego, CA

The final approach into San Diego, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Diego, CA.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$27.70 one way

$55.39 round trip

$5.84/gal 25.4 MPG avg 42 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $6.02 $28.54 $57.08
premium $6.18 $29.30 $58.61
diesel $5.61 $26.60 $53.21

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$28

Meals

$25–$50

Total

$53–$78

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 42.2 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $13 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 36.2 0 $12.65 $5.78
Efficient EV 30.1 0 $10.54 $4.82
EV Truck/SUV 48.2 0 $16.87 $7.71

Gas CO2

42 kg

EV CO2

14 kg (67% 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 16, 2026

Origin

Westmont, CA

Night in Westmont on Friday

Local time

10:30 PM

PDT

Current temp

72°F

Unavailable

Live forecast

Destination

San Diego, CA

Night in San Diego on Friday

Local time

10:30 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.

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

16 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

2h 9m 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.

Frequently Asked Questions

The drive from Westmont, CA to San Diego, CA covers 120.5 miles and takes about 2h 9m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are West 105th Street, Denker Avenue, West 106th Street. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 60.3 miles from Westmont, CA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $27.70 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

The drive from Westmont, CA to San Diego, CA is easy. At 2h 9m with 0% highway, most drivers will find it relaxed and low-stress.

This route does not have any notably tricky sections. Most of the drive from Westmont, CA to San Diego, CA is straightforward, with well-signed roads and simple exits.

The route from Westmont, CA to San Diego, CA does not surface many named destination signs beyond the main corridor.

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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