How far is Irvine, CA from Westmont, CA?
The driving distance from Irvine, CA to Westmont, CA is about 41.9 miles (67.5 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 33.3 miles (53.6 km).
- For a round trip, plan for roughly 01h 44m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 52m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Orange County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Irvine and Westmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Irvine and Westmont.
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1
Start on San Diego Freeway
1.4 mi · 2 min · San Diego Freeway
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2
Take the exit slight right toward University Drive, Jeffrey Road
1456 ft · 21 sec
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3
Turn left onto Jeffrey Road
951 ft · 22 sec · Jeffrey Road
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4
Take the ramp slight right toward I 405 North: Los Angeles
1228 ft · 18 sec
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5
Merge slight left onto San Diego Freeway
6.5 mi · 7 min · San Diego Freeway
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6
Keep slight right to continue on San Diego Freeway
9.7 mi · 11 min · San Diego Freeway
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7
Keep slight left
16.4 mi · 19 min
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8
Take the exit slight right toward I 110: Harbor Freeway, San Pedro, Los Angeles
116 m · 9 sec
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9
Continue on I 110 South, I 110 North: Harbor Freeway, San Pedro, Los Angeles
149 m · 12 sec
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10
Turn straight onto I 110 North: Los Angeles
1526 ft · 37 sec
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11
Merge slight left onto Harbor Freeway
2.3 mi · 3 min · Harbor Freeway
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12
Keep slight right to continue on Harbor Freeway
1.3 mi · 2 min · Harbor Freeway
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13
Take the exit slight right toward El Segundo Boulevard
1603 ft · 47 sec
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14
Turn left onto West El Segundo Boulevard
1.5 km · 2 min · West El Segundo Boulevard
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15
Turn right onto South Normandie Avenue
1.7 mi · 3 min · South Normandie Avenue
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16
Turn left onto West 105th Street
691 ft · 32 sec · West 105th Street
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17
Turn right
52 m · 12 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Irvine and Westmont.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Keep slight left
16.4 mi · 00h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Irvine and Sunny near Westmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Irvine to Westmont?
The road trip is about 41.9 miles (67.5 km) and usually takes 00h 52m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Rossmoor is a useful midpoint, sitting about 20.9 miles from Irvine and 21 miles from Westmont.
How much longer is the road route than the straight-line distance?
The direct path is about 33.3 miles (53.6 km), while the road route adds roughly 8.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:46 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.54 one way or $17.08 round trip. Estimated CO2 is about 13.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Irvine and Sunny near Westmont.
Stop Ideas Near Rossmoor
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
Newport Beach Municipal Operations
Anaheim City Clerk
The City of Orange
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rossmoor.
Long Beach, California
San Pedro (Catalina Terminal), California
Fullerton Transportation Center
Anaheim Regional Transportation Intermodal Center
Flight Path Map
This map shows the direct air route between Irvine and Westmont. Straight-line distance: 33.32 mi (53.62 km).
#1 Irvine
A city located in Orange County, California.
| Population | 283,700 |
| Coordinates | 33.6694600, -117.8231100 |
| Altitude | 17 |
| Country | United States |
#2 Westmont
City in DuPage County, Illinois, United States of America
| Population | 31,853 |
| Coordinates | 33.9414000, -118.3023000 |
| Altitude | 66 |
| Country | United States |
End: Westmont (-118.3023, 33.9414)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 23m |
| 40 mph (64.37 km/h) | 01h 02m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $8.54 | $17.08 |
| Mid-grade | $6.07 | $8.98 | $17.96 |
| Premium | $6.24 | $9.24 | $18.48 |
| Diesel | $7.57 | $11.20 | $22.40 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.