How far is San Diego, CA from Tustin, CA?

The driving distance from San Diego, CA to Tustin, CA is about 87.2 miles (140.3 km), with a travel time of about 01h 45m by car.

  • The straight-line flight distance is about 80.8 miles (130 km).
  • For a round trip, plan for roughly 03h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
87.16 mi
01h 45m
Flight
80.79 mi
130.02 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from San Diego.

Flight Distance

Direct air line
80.79 mi
Kilometers
130.02 km
Flight Time
00h 09m

Driving Distance

Road route
87.16 mi
Kilometers
140.27 km
Drive Time
01h 45m

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 45m.

Arrival Snapshot
Arrive in Tustin
Tue, May 5, 10:06 AM PDT
Return by in San Diego
Tue, May 5, 11:52 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Diego
2026-05-05T08:21
Arrive Tustin
Tue, May 5, 10:06 AM PDT
Route Timing
01h 45m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
9:45 AM to 11:45 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:00 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in San Diego
9:30 PM PDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Oceanside
CA

The second most populous city in San Diego County, California.

From San Diego
43.6 mi
00h 52m
To Tustin
43.6 mi
00h 52m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Tuesday

Chance Rain Showers

Starts
Tue, May 5 6:00 AM PDT
Wind
5 to 15 mph W
Destination
69°F
Tuesday

Slight Chance Rain Showers then Mostly Sunny

Starts
Tue, May 5 6:00 AM PDT
Wind
5 to 15 mph W

Driving Route Map

The map below follows the saved road route between San Diego and Tustin.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Diego and Tustin.

  1. 1

    Start on Front Street

    8 m · 6 sec · Front Street

  2. 2

    Turn left onto West Broadway

    88 m · 12 sec · West Broadway

  3. 3

    Turn left onto 1st Avenue

    3072 ft · 1 min · 1st Avenue

  4. 4

    Take the ramp left toward I 5 North: Los Angeles

    1017 ft · 25 sec

  5. 5

    Merge slight left onto San Diego Freeway

    13.5 mi · 16 min · San Diego Freeway

  6. 6

    Keep slight left to continue on San Diego Freeway

    36.3 mi · 43 min · San Diego Freeway

  7. 7

    Keep slight right to continue on San Diego Freeway

    18.1 mi · 21 min · San Diego Freeway

  8. 8

    Keep slight left to continue on San Diego Freeway

    7.4 mi · 9 min · San Diego Freeway

  9. 9

    Keep slight right to continue on Bake Parkway

    1.6 mi · 2 min

  10. 10

    Keep slight right

    6 mi · 7 min

  11. 11

    Take the exit slight right toward Jamboree Road

    1266 ft · 17 sec

  12. 12

    Continue straight

    527 ft · 11 sec

  13. 13

    Turn right onto Jamboree Road

    2035 ft · 50 sec · Jamboree Road

  14. 14

    Turn left onto Bryan Avenue

    1.8 mi · 3 min · Bryan Avenue

  15. 15

    Continue on East Main Street

    3088 ft · 1 min · East Main Street

  16. 16

    Turn right onto El Camino Real

    1292 ft · 28 sec · El Camino Real

  17. 17

    At the end of the road, turn left onto West 1st Street

    803 ft · 25 sec · West 1st Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · West 1st Street

Car Route Details

A richer read on the saved driving route between San Diego and Tustin.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
18 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
20.6 / 100 mi
Decision points by distance
Main Roads
San Diego Freeway
75.2 mi · 86%
Bake Parkway
7.61 mi · 9%
Bryan Avenue
1.8 mi · 2%
Jamboree Road
0.73 mi · 1%
East Main Street
0.58 mi · 1%
1st Avenue
0.58 mi · 1%
Longest Stretch

San Diego Freeway

Keep slight left to continue on San Diego Freeway

36.3 mi · 00h 43m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 45m
Day trip friendly
Same-Day Return
03h 30m
Round-trip wheel time
Road vs Air
+6.4 mi
80.8 mi direct line
Halfway Stop
Oceanside
00h 52m from San Diego
Leave By
3:00 PM PDT
Morning start is best
Weather Watch

Chance Rain Showers leaving San Diego and Slight Chance Rain Showers then Mostly Sunny near Tustin.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Diego to Tustin?

The road trip is about 87.2 miles (140.3 km) and usually takes 01h 45m 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 43.6 miles from San Diego and 43.6 miles from Tustin.

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 6.4 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 3:00 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.71 one way or $35.42 round trip. Estimated CO2 is about 27.3 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around San Diego and Slight Chance Rain Showers then Mostly Sunny near Tustin.

Stop Ideas Near Oceanside

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Oceanside and the surrounding midpoint area.
Grand Pacific Palisades Resort
Stay option 12.3 mi away

Grand Pacific Palisades Resort

Carlsbad , CA
5805 Armada Dr, Carlsbad, CA 92008, United States
Rating 4.4/5 2,160 reviews Resort hotel,Hotel
Four Seasons Residence Club Aviara, North San Diego
Nearby stop 14.9 mi away

Four Seasons Residence Club Aviara, North San Diego

Carlsbad , CA
7210 Blue Heron Pl, Carlsbad, CA 92011, United States
Rating 4.6/5 341 reviews Vacation home rental agency,Indoor lodging,Timeshare agency
Carlsbad Inn Beach Resort
Stay option 9.2 mi away

Carlsbad Inn Beach Resort

Carlsbad , CA
3075 Carlsbad Blvd #2906, Carlsbad, CA 92008, United States
Rating 4.5/5 1,778 reviews Resort hotel,Indoor lodging
Park Hyatt Aviara Resort, Golf Club & Spa
Stay option 14.7 mi away

Park Hyatt Aviara Resort, Golf Club & Spa

Carlsbad , CA
7100 Aviara Resort Drive, Carlsbad, CA 92011, United States
Rating 4.7/5 1,266 reviews Hotel

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Oceanside.

RAIL

Oceanside Transit Center

235 South Tremont Street
RAIL

Carlsbad Village station

5 mi away
2775 State Street
RAIL

Carlsbad Poinsettia, CA

11 mi away
6511 Avenida Encinas
RAIL

Encinitas, CA

18 mi away
25 East D Street

Flight Path Map

This map shows the direct air route between San Diego and Tustin. Straight-line distance: 80.79 mi (130.02 km).

San Diego

#1 San Diego

The eighth most populous city in the United States and the center of the San Diego metropolitan area.

Population1,422,420
Coordinates32.7157100, -117.1647200
Altitude20
CountryUnited States
Tustin

#2 Tustin

A city in Orange County, California.

Population79,815
Coordinates33.7458500, -117.8261700
Altitude43
CountryUnited States
Start: San Diego (-117.16472, 32.71571)
End: Tustin (-117.82617, 33.74585)

Estimated Travel Time

Distance: 140 km by road

SpeedTime
30 mph (48.3 km/h)02h 54m
40 mph (64.37 km/h)02h 10m
50 mph (80.47 km/h)01h 44m
60 mph (96.56 km/h)01h 27m
70 mph (112.65 km/h)01h 14m
80 mph (129 km/h)01h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.07 gal
11.64 L · about $17.71
Round trip
$35.42
6.14 gal · 23.28 L
Estimated CO2
27.3 kg one way
Round trip: 54.6 kg / 120 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $17.71 $35.42
Mid-grade $6.07 $18.62 $37.25
Premium $6.24 $19.17 $38.33
Diesel $7.57 $23.23 $46.46

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

There is no time difference between San Diego and Tustin. The current time is 08:21:15.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.