How far is Tustin, CA from San Diego, CA?
The driving distance from Tustin, CA to San Diego, CA is about 87.9 miles (141.5 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 80.8 miles (130 km).
- For a round trip, plan for roughly 02h 55m 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 01h 27m.
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.
The second most populous city in San Diego County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Tustin and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tustin and San Diego.
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1
Start on West 1st Street
61 m · 10 sec · West 1st Street
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2
Continue on West 1st Street
1001 ft · 34 sec · West 1st Street
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3
Turn right onto El Camino Real
1292 ft · 33 sec · El Camino Real
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4
Turn left onto East Main Street
3090 ft · 1 min · East Main Street
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5
Continue on Bryan Avenue
1.8 mi · 3 min · Bryan Avenue
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6
Turn right onto Jamboree Road
2699 ft · 59 sec · Jamboree Road
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7
Take the exit slight right toward I 5 South
1193 ft · 30 sec
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8
Merge slight left onto Santa Ana Freeway
5.7 mi · 7 min · Santa Ana Freeway
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9
Keep slight left to continue on Santa Ana Freeway
1.3 km · 56 sec · Santa Ana Freeway
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10
Merge slight right onto San Diego Freeway
76.5 mi · 1 hr 29 min · San Diego Freeway
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11
Take the exit slight right toward Front Street, Civic Center, 2nd Avenue
1164 ft · 28 sec
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12
Keep slight right to continue on Front Street, Civic Center
592 ft · 15 sec
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13
Continue on Front Street
2662 ft · 2 min · Front Street
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14
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Tustin and San Diego.
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
Merge slight right onto San Diego Freeway
76.5 mi · 01h 29m
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.
Slight Chance Rain Showers then Mostly Sunny leaving Tustin and Chance Rain Showers near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tustin to San Diego?
The road trip is about 87.9 miles (141.5 km) and usually takes 01h 27m 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?
Oceanside is a useful midpoint, sitting about 43.7 miles from Tustin and 44.2 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 80.8 miles (130 km), while the road route adds roughly 7.1 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 3:34 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.88 one way or $35.77 round trip. Estimated CO2 is about 27.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Mostly Sunny around Tustin and Chance Rain Showers near San Diego.
Stop Ideas Near Oceanside
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Grand Pacific Palisades Resort
Vista Civic Center
Carlsbad Inn Beach Resort
Cape Rey Carlsbad Beach, a Hilton Resort and Spa
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Oceanside.
Oceanside Transit Center
Carlsbad Village station
Carlsbad Poinsettia, CA
Encinitas, CA
Flight Path Map
This map shows the direct air route between Tustin and San Diego. Straight-line distance: 80.79 mi (130.02 km).
#1 Tustin
A city in Orange County, California.
| Population | 79,815 |
| Coordinates | 33.7458500, -117.8261700 |
| Altitude | 43 |
| Country | United States |
#2 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
End: Front Street (-117.164717, 32.71571)
Estimated Travel Time
Distance: 141 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 55m |
| 40 mph (64.37 km/h) | 02h 11m |
| 50 mph (80.47 km/h) | 01h 45m |
| 60 mph (96.56 km/h) | 01h 27m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $17.88 | $35.77 |
| Mid-grade | $6.07 | $18.80 | $37.61 |
| Premium | $6.24 | $19.35 | $38.71 |
| Diesel | $7.57 | $23.46 | $46.92 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.