How far is San Marino, CA from Irvine, CA?
The driving distance from San Marino, CA to Irvine, CA is about 47.5 miles (76.4 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 35.2 miles (56.7 km).
- For a round trip, plan for roughly 01h 56m 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 58m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
A city in Orange County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Marino and Irvine.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Marino and Irvine.
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1
Start on San Marino Avenue
59 m · 13 sec · San Marino Avenue
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2
Turn left onto Huntington Drive
1.9 mi · 3 min · Huntington Drive
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3
Turn left onto Atlantic Boulevard
1.5 mi · 3 min · Atlantic Boulevard
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4
Turn right onto West Mission Road
1.1 mi · 2 min · West Mission Road
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5
Turn left onto Fremont Avenue
871 ft · 22 sec · Fremont Avenue
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6
Turn right onto West Valley Boulevard
3146 ft · 1 min · West Valley Boulevard
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7
Turn left onto Long Beach Freeway
4 mi · 5 min · Long Beach Freeway
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8
Take the exit slight left toward I 5 South: Santa Ana
1984 ft · 48 sec
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9
Merge slight right onto Santa Ana Freeway
23.5 mi · 27 min · Santa Ana Freeway
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10
Keep slight right to continue on Santa Ana Freeway
1241 ft · 16 sec · Santa Ana Freeway
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11
Take the exit slight right toward Broadway, Main Street, Santa Ana
1.3 km · 57 sec
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12
Keep slight left
788 ft · 10 sec
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13
Keep slight left to continue on I 5 South
981 ft · 13 sec
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14
Merge slight left onto Santa Ana Freeway
1.3 km · 54 sec · Santa Ana Freeway
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15
Keep slight right to continue on Santa Ana Freeway
1.2 km · 52 sec · Santa Ana Freeway
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16
Keep slight right to continue on Santa Ana Freeway
1.1 mi · 1 min · Santa Ana Freeway
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17
Take the exit slight right toward CA 55 South: Newport Beach
2131 ft · 28 sec
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18
Merge slight left onto Costa Mesa Freeway
3.7 mi · 4 min · Costa Mesa Freeway
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19
Take the exit slight right toward I 405 South: John Wayne Airport
3019 ft · 39 sec
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20
Keep slight left to continue on I 405 South
775 ft · 10 sec
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21
Merge slight left onto San Diego Freeway
2.7 mi · 3 min · San Diego Freeway
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22
Arrive at your destination
0 m · 1 sec · San Diego Freeway
Car Route Details
A richer read on the saved driving route between San Marino and Irvine.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Santa Ana Freeway
Merge slight right onto Santa Ana Freeway
23.5 mi · 00h 27m
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.
Mostly Sunny leaving San Marino and Mostly Sunny near Irvine.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Marino to Irvine?
The road trip is about 47.5 miles (76.4 km) and usually takes 00h 58m 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?
Buena Park is a useful midpoint, sitting about 22.4 miles from San Marino and 25.1 miles from Irvine.
How much longer is the road route than the straight-line distance?
The direct path is about 35.2 miles (56.7 km), while the road route adds roughly 12.3 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 4:34 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.63 one way or $19.27 round trip. Estimated CO2 is about 14.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Marino and Mostly Sunny near Irvine.
Stop Ideas Near Buena Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
City of South El Monte City Hall
Anaheim City Clerk
The City of Orange
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Buena Park.
Fullerton Transportation Center
Anaheim Regional Transportation Intermodal Center
Santa Ana Regional Transportation Center
Long Beach, California
Flight Path Map
This map shows the direct air route between San Marino and Irvine. Straight-line distance: 35.2 mi (56.65 km).
#1 San Marino
City in California, United States
| Population | 12,786 |
| Coordinates | 34.1214000, -118.1064600 |
| Altitude | 172 |
| Country | United States |
#2 Irvine
A city located in Orange County, California.
| Population | 283,700 |
| Coordinates | 33.6694600, -117.8231100 |
| Altitude | 17 |
| Country | United States |
End: (-117.823114, 33.669436)
Estimated Travel Time
Distance: 76 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 34m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $9.63 | $19.27 |
| Mid-grade | $6.07 | $10.13 | $20.26 |
| Premium | $6.24 | $10.43 | $20.85 |
| Diesel | $7.57 | $12.64 | $25.27 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.