How far is San Diego, CA from South Gate, CA?

The driving distance from San Diego, CA to South Gate, CA is about 118.1 miles (190 km), with a travel time of about 02h 21m by car.

  • The straight-line flight distance is about 104.8 miles (168.7 km).
  • For a round trip, plan for roughly 04h 42m 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
118.07 mi
02h 21m
Flight
104.8 mi
168.66 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
104.8 mi
Kilometers
168.66 km
Flight Time
00h 12m

Driving Distance

Road route
118.07 mi
Kilometers
190.01 km
Drive Time
02h 21m

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 02h 21m.

Arrival Snapshot
Arrive in South Gate
Sat, Apr 18, 4:19 AM PDT
Return by in San Diego
Sat, Apr 18, 6:40 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Diego
2026-04-18T01:57
Arrive South Gate
Sat, Apr 18, 4:19 AM PDT
Route Timing
02h 21m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
10:21 AM to 12:21 PM PDT

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

Leave by
1:48 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

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.

Mid-route stop
San Clemente
CA

The most populous city in Orange County, California.

From San Diego
59.1 mi
01h 10m
To South Gate
59 mi
01h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
0 to 10 mph NE
Destination
81°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
0 to 10 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between San Diego and South Gate.

  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 right to continue on San Joaquin Hills Transportation Corridor

    14.1 mi · 16 min · San Joaquin Hills Transportation Corridor

  9. 9

    Continue on Corona Del Mar Freeway

    4 mi · 5 min · Corona Del Mar Freeway

  10. 10

    Merge slight left onto San Diego Freeway

    9.6 mi · 11 min · San Diego Freeway

  11. 11

    Keep slight left

    3.5 mi · 4 min

  12. 12

    Take the exit slight right toward I 605 North

    3231 ft · 1 min

  13. 13

    Merge slight left onto San Gabriel River Freeway

    8.7 mi · 10 min · San Gabriel River Freeway

  14. 14

    Take the exit slight right toward Imperial Highway

    2262 ft · 55 sec

  15. 15

    Turn slight right

    59 m · 5 sec

  16. 16

    Turn straight onto Hoxie Avenue

    83 m · 7 sec · Hoxie Avenue

  17. 17

    Take the ramp right toward I 105 West

    930 ft · 23 sec

  18. 18

    Continue on Century Freeway

    1699 ft · 22 sec · Century Freeway

  19. 19

    Keep slight right to continue on Century Freeway

    5.6 mi · 6 min · Century Freeway

  20. 20

    Take the exit slight right toward Long Beach Boulevard

    1832 ft · 49 sec

  21. 21

    Turn right onto Long Beach Boulevard

    1.6 km · 2 min · Long Beach Boulevard

  22. 22

    Turn straight

    93 m · 13 sec

  23. 23

    Turn straight onto State Street

    1.6 km · 2 min · State Street

  24. 24

    Turn right onto Firestone Boulevard

    20 m · 1 sec · Firestone Boulevard

  25. 25

    Arrive at your destination

    0 m · 1 sec · Firestone Boulevard

Car Route Details

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

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
25 steps
8 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
21.2 / 100 mi
Decision points by distance
Main Roads
San Diego Freeway
80.9 mi · 69%
San Joaquin Hills Transportation Corridor
14.1 mi · 12%
San Gabriel River Freeway
8.66 mi · 7%
Century Freeway
5.9 mi · 5%
Corona Del Mar Freeway
4.02 mi · 3%
Long Beach Boulevard
1.32 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
02h 21m
Day trip friendly
Same-Day Return
04h 42m
Round-trip wheel time
Road vs Air
+13.3 mi
104.8 mi direct line
Halfway Stop
San Clemente
01h 10m from San Diego
Leave By
1:48 PM PDT
Morning start is best
Weather Watch

Mostly Sunny leaving San Diego and Mostly Sunny near South Gate.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Diego to South Gate?

The road trip is about 118.1 miles (190 km) and usually takes 02h 21m 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?

San Clemente is a useful midpoint, sitting about 59.1 miles from San Diego and 59 miles from South Gate.

How much longer is the road route than the straight-line distance?

The direct path is about 104.8 miles (168.7 km), while the road route adds roughly 13.3 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 1:48 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.06 one way or $48.11 round trip. Estimated CO2 is about 37.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around San Diego and Mostly Sunny near South Gate.

Stop Ideas Near San Clemente

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 San Clemente and the surrounding midpoint area.
Blue Lantern Inn, A Four Sisters Inn
Coffee break 5.9 mi away

Blue Lantern Inn, A Four Sisters Inn

Dana Point , CA
34343 Street of the Blue Lantern, Dana Point, CA 92629, United States
Rating 4.7/5 233 reviews Hotel,Bed & breakfast,Lodge
The Ritz-Carlton, Laguna Niguel
Stay option 6.9 mi away

The Ritz-Carlton, Laguna Niguel

Dana Point , CA
One Ritz Carlton Dr, Dana Point, CA 92629, United States
Rating 4.6/5 2,544 reviews Hotel,Meeting planning service,Wedding venue
Laguna Niguel City Hall
Meeting point 8.7 mi away

Laguna Niguel City Hall

Laguna Niguel , CA
30111 Crown Valley Pkwy, Laguna Niguel, CA 92677, United States
Rating 4.4/5 7 reviews City or town hall,City government office
Doheny State Beach Campground
Nearby stop 4.5 mi away

Doheny State Beach Campground

Dana Point , CA
34381 Pacific Coast Hwy, Dana Point, CA 92629, United States
Rating 4.3/5 53 reviews Campground,Public beach

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to San Clemente.

RAIL

San Clemente Pier station

1 mi away
Avenida del Mar and Avenida Victoria
RAIL

San Juan Capistrano

10 mi away
26701 Verdugo Street
RAIL

Irvine Transportation Center

31 mi away
15215 Barranca Parkway
RAIL

Oceanside Transit Center

34 mi away
235 South Tremont Street

Flight Path Map

This map shows the direct air route between San Diego and South Gate. Straight-line distance: 104.8 mi (168.66 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
South Gate

#2 South Gate

A city in Los Angeles County, California.

Population93,134
Coordinates33.9547400, -118.2120200
Altitude35
CountryUnited States
Start: San Diego (-117.16472, 32.71571)
End: South Gate (-118.21202, 33.95474)

Estimated Travel Time

Distance: 190 km by road

SpeedTime
30 mph (48.3 km/h)03h 56m
40 mph (64.37 km/h)02h 57m
50 mph (80.47 km/h)02h 21m
60 mph (96.56 km/h)01h 58m
70 mph (112.65 km/h)01h 41m
80 mph (129 km/h)01h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.17 gal
15.77 L · about $24.06
Round trip
$48.11
8.34 gal · 31.54 L
Estimated CO2
37.1 kg one way
Round trip: 74.1 kg / 163 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $24.06 $48.11
Mid-grade $6.07 $25.30 $50.59
Premium $6.24 $26.03 $52.07
Diesel $7.57 $31.55 $63.11

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

There is no time difference between San Diego and South Gate. The current time is 01:57:48.

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.