Origin
Westmont, CA
Late night in Westmont on Tuesday
Local time
3:39 AM
PDT
Current temp
70°F
Unavailable
Live forecast
Trip from Westmont, CA to Irvine, CA
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
49m
Distance
38.4 mi
62 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$9
one way
EV Charging
Fair
2 stations
Best Time to Leave
4 AM
0h 45m
★
6 AM
0h 49m
8 AM
0h 57m
10 AM
0h 52m
12 PM
0h 51m
3 PM
0h 53m
5 PM
0h 57m
8 PM
0h 47m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Westmont, CA
Stephen Leonardi
Irvine, CA
Wikimedia Commons
Trip Overview
This straightforward 38.4-mile drive from Westmont, CA to Irvine, CA is a quick, single-day trip, taking about 49 minutes. The route is heavily focused on major freeways, with 89% of the journey on highways like the San Diego Freeway (I-405) and Harbor Freeway. With an estimated fuel cost of $9, this is an economical and efficient way to travel between these Southern California communities. You'll spend most of your time on the I-405, making it a practical option for a quick commute or a short hop within the Pacific Coast region. No overnight stops are necessary for this brief excursion.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| San Diego Freeway | 20.9 mi | 24m |
| I 405 | 10.3 mi | 11m |
| Harbor Freeway | 2.8 mi | 3m |
| South Normandie Avenue | 1.6 mi | 3m |
| West El Segundo Boulevard | 0.8 mi | 1m |
| West 106th Street | 0.3 mi | <1m |
| West 105th Street | 0.1 mi | <1m |
| Denker Avenue | <0.1 mi | <1m |
Longest stretch:
San Diego Freeway
— 20.9 mi, about 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Westmont, CA and Irvine, CA.
1
Start on this road
169 ft
·
14 sec
·
this road
2
Turn right onto West 105th Street
0.1 mi
·
35 sec
·
West 105th Street
3
Turn left onto Denker Avenue
339 ft
·
17 sec
·
Denker Avenue
Use the left lane.
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
Use the left lane.
7
Take the ramp
0.3 mi
·
36 sec
Toward I 110 South: San Pedro
8
Merge onto I 110
2.8 mi
·
3 min
·
Harbor Freeway
Use the straight / slight right lanes.
9
Take the exit
0.3 mi
·
41 sec
Exit 9
Toward I 405
Use the slight right lane.
10
Keep slight left at fork
0.5 mi
·
59 sec
Toward I 405 North, I 405 South
Use the straight lane.
11
Keep slight right at fork
0.4 mi
·
53 sec
Toward I 405 South: Long Beach
Use the straight / slight right lanes.
12
Merge onto I 405
14 mi
·
15 min
·
San Diego Freeway
Use the straight lane.
13
Keep slight right at fork onto I 405
2.3 mi
·
2 min
·
San Diego Freeway
Use the straight / slight right lanes.
14
Keep slight left at fork onto I 405
0.2 mi
·
11 sec
·
San Diego Freeway
Use the straight / right lanes.
15
Keep slight left at fork onto I 405
10 mi
·
11 min
·
I 405
Use the straight / slight right lanes.
16
Keep slight left at fork onto I 405
5.0 mi
·
5 min
·
San Diego Freeway
Use the straight / slight right lanes.
17
Arrive at destination
I 405
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
19 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 38 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 19.2 miles from Westmont, CA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 155 decision points cluster between mile 0.2 and 6.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
0.2 mi into trip
|
~0m in
|
Denker Avenue
Turn left onto Denker Avenue
Lane positioning matters here
Use the left lane.
6
2.1 mi into trip
|
~5m in
|
West El Segundo Boulevard
Turn left onto West El Segundo Boulevard
Lane positioning matters here
Use the left lane.
7
6 mi into trip
|
~10m in
Take the exit toward I 405
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 9
Toward I 405
8
6.3 mi into trip
|
~11m in
Keep slight left at fork toward I 405 North, I 405 South
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward I 405 North, I 405 South
7
6.8 mi into trip
|
~12m in
Keep slight right at fork toward I 405 South: Long Beach
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 405 South: Long Beach
Fuel & Cost
Regular Gas
$8.83 one way
$17.65 round trip
$5.84/gal
25.4 MPG avg
13 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $9.10 | $18.19 |
| premium | $6.18 | $9.34 | $18.68 |
| diesel | $5.61 | $8.48 | $16.96 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$9
Estimated CO2 emission: 13.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 11.5 | 0 | $4.03 | $1.84 |
| Efficient EV | 9.6 | 0 | $3.36 | $1.54 |
| EV Truck/SUV | 15.4 | 0 | $5.38 | $2.46 |
Gas CO2
13 kg
EV CO2
4 kg (69% 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.
Destination
Irvine, CA
Late night in Irvine on Tuesday
Local time
3:39 AM
PDT
Current temp
56°F
Partly Cloudy
SE 5 mph
0% chance
Live forecast
Freeze Warning
Freeze Warning issued April 16 at 8:46PM PDT until April 17 at 9:00AM PDT by NWS Eureka CA
Wind Advisory
Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
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 cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
49m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a highway-focused drive for the majority of this 38.4-mile trip, with 89% of the route being on major freeways. The longest uninterrupted stretch you'll encounter is 20.9 miles on the San Diego Freeway (I-405). This means you'll be in a consistent, high-speed environment for most of the journey, with limited opportunities for scenic detours or slower-paced exploration. The character of the drive remains predominantly freeway-centric, offering a direct and efficient passage between Westmont and Irvine.
89% highway — fuel and pacing are the main things to plan.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 20.9 mi on San Diego Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on San Diego Freeway and I 405. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.2 miles in near Denker Avenue.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 38.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 49m.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (Denker Avenue): Lane positioning matters here; at 2.1 miles (West El Segundo Boulevard): Lane positioning matters here; at 6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
About the Cities
Arriving in Irvine, CA
Full guide →Founded 1971
Irvine is a city of 308,000 people (2020) in Orange County, California. Irvine is one of the newest and largest cities in Orange County, and it is still growing. The city is a perfectly planned suburbia. The Irvine Company started developing the area in the 1960s and the city was formally incorporated on December 28, 1971.
Top landmarks
- • Pretend City Children's Museum — children's Museum in California, U.S.
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 49m. Total distance: 38.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
49m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (89%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 20.9 miles on San Diego Freeway. 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 Irvine, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.2 miles (Denker Avenue): Lane positioning matters here; at 2.1 miles (West El Segundo Boulevard): Lane positioning matters here; at 6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Yes — Santa Monica Mountains National Recreation Area. 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 Irvine, CA before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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