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

The driving distance from Monterey, CA to San Diego, CA is about 447.5 miles (720.2 km), with a travel time of about 07h 03m by car.

  • The straight-line flight distance is about 379.8 miles (611.2 km).
  • For a round trip, plan for roughly 14h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
447.52 mi
07h 03m
Flight
379.76 mi
611.17 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Monterey.

Flight Distance

Direct air line
379.76 mi
Kilometers
611.17 km
Flight Time
00h 45m

Driving Distance

Road route
447.52 mi
Kilometers
720.22 km
Drive Time
07h 03m

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 07h 03m.

Arrival Snapshot
Arrive in San Diego
Sun, May 17, 5:22 PM PDT
Return by in Monterey
Mon, May 18, 12:25 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Monterey
2026-05-17T10:19
Arrive San Diego
Sun, May 17, 5:22 PM PDT
Route Timing
07h 03m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:03 PM to 2:33 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:54 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Monterey
8:00 PM PDT
Overnight-style route

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
Greenfield
CA

City in Monterey County, California, United States

From Monterey
221 mi
03h 31m
To San Diego
226.6 mi
03h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Today

Sunny

Starts
Sun, May 17 9:00 AM PDT
Wind
3 to 12 mph NNW
Destination
59°F
Overnight

Patchy Drizzle

Starts
Sun, May 17 2:00 AM PDT
Wind
10 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Franklin Street

    646 ft · 21 sec · West Franklin Street

  2. 2

    Turn right onto Washington Street

    694 ft · 18 sec · Washington Street

  3. 3

    Continue on Abrego Street

    969 ft · 26 sec · Abrego Street

  4. 4

    Turn left onto Fremont Street

    2912 ft · 1 min · Fremont Street

  5. 5

    Take the ramp straight toward CA 1 North

    2276 ft · 56 sec

  6. 6

    Merge slight left onto Cabrillo Highway

    811 ft · 11 sec · Cabrillo Highway

  7. 7

    Keep slight right to continue on CA 68: North Fremont Street, Salinas

    16 mi · 21 min

  8. 8

    Turn right onto East Blanco Road

    1.6 mi · 2 min · East Blanco Road

  9. 9

    Continue on South Sanborn Road

    1.2 km · 59 sec · South Sanborn Road

  10. 10

    Take the exit right

    1061 ft · 26 sec

  11. 11

    Merge slight left onto El Camino Real

    94.6 mi · 1 hr 49 min · El Camino Real

  12. 12

    Take the exit slight right toward CA 46 East: Fresno, Bakersfield

    968 ft · 30 sec

  13. 13

    Turn left

    24.5 mi · 29 min

  14. 14

    Merge slight left

    1.4 mi · 2 min

  15. 15

    Turn slight right

    149 m · 6 sec

  16. 16

    Keep slight left to continue on Antelope Road

    5.3 mi · 7 min · Antelope Road

  17. 17

    Continue on Paso Robles Highway

    32.3 mi · 39 min · Paso Robles Highway

  18. 18

    Take the exit slight right

    2047 ft · 25 sec

  19. 19

    Merge slight left onto Westside Freeway

    56.8 mi · 1 hr 1 min · Westside Freeway

  20. 20

    Keep slight right

    58.4 mi · 1 hr 7 min

  21. 21

    Keep slight left to continue on Golden State Freeway

    4.1 mi · 5 min · Golden State Freeway

  22. 22

    Keep slight right to continue on I 405 South

    1354 ft · 18 sec

  23. 23

    Keep slight left

    24.7 mi · 29 min

  24. 24

    Keep slight left to continue on Golden State Freeway

    1.3 mi · 2 min · Golden State Freeway

  25. 25

    Merge slight left onto Santa Ana Freeway

    25.7 mi · 30 min · Santa Ana Freeway

  26. 26

    Keep slight right to continue on Santa Ana Freeway

    1241 ft · 16 sec · Santa Ana Freeway

  27. 27

    Take the exit slight right toward Broadway, Main Street, Santa Ana

    1.3 km · 57 sec

  28. 28

    Keep slight left

    788 ft · 10 sec

  29. 29

    Keep slight left to continue on I 5 South

    981 ft · 13 sec

  30. 30

    Merge slight left onto Santa Ana Freeway

    1.3 km · 54 sec · Santa Ana Freeway

  31. 31

    Keep slight right to continue on Santa Ana Freeway

    1.2 km · 52 sec · Santa Ana Freeway

  32. 32

    Keep slight right to continue on Santa Ana Freeway

    1.2 mi · 1 min · Santa Ana Freeway

  33. 33

    Take the exit slight right toward Newport Avenue

    1.2 km · 1 min

  34. 34

    Turn right onto Newport Avenue

    1943 ft · 44 sec · Newport Avenue

  35. 35

    Turn left onto Walnut Avenue

    2.2 mi · 4 min · Walnut Avenue

  36. 36

    Turn left onto Jamboree Road

    2595 ft · 38 sec · Jamboree Road

  37. 37

    Take the exit slight right toward I 5 South

    1479 ft · 21 sec

  38. 38

    Merge slight left onto Santa Ana Freeway

    5.5 mi · 6 min · Santa Ana Freeway

  39. 39

    Keep slight left to continue on Santa Ana Freeway

    1.3 km · 56 sec · Santa Ana Freeway

  40. 40

    Merge slight right onto San Diego Freeway

    76.5 mi · 1 hr 29 min · San Diego Freeway

  41. 41

    Take the exit slight right toward Front Street, Civic Center, 2nd Avenue

    1164 ft · 28 sec

  42. 42

    Keep slight right to continue on Front Street, Civic Center

    592 ft · 15 sec

  43. 43

    Continue on Front Street

    2662 ft · 2 min · Front Street

  44. 44

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
44 steps
8 turns on the saved route
Ramps & Exits
16
8 merges, 8 ramps or exits
Navigation Density
9.8 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
115 mi · 26%
El Camino Real
94.6 mi · 21%
San Diego Freeway
76.5 mi · 17%
Santa Ana Freeway
35 mi · 8%
Paso Robles Highway
32.7 mi · 7%
I 405 South
25 mi · 6%
Longest Stretch

El Camino Real

Merge slight left onto El Camino Real

94.6 mi · 01h 49m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 03m
Overnight route
Same-Day Return
14h 06m
Round-trip wheel time
Road vs Air
+67.7 mi
379.8 mi direct line
Halfway Stop
Greenfield
03h 31m from Monterey
Leave By
9:54 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Monterey and Patchy Drizzle near San Diego.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 447.5 miles (720.2 km) and usually takes 07h 03m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Greenfield is a useful midpoint, sitting about 221 miles from Monterey and 226.6 miles from San Diego.

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

The direct path is about 379.8 miles (611.2 km), while the road route adds roughly 67.7 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 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $91.09 one way or $182.19 round trip. Estimated CO2 is about 140.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Monterey and Patchy Drizzle near San Diego.

Stop Ideas Near Greenfield

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

Mid-route Guidance
Local place coverage is thin around Greenfield, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Bakersfield

12 mi away
601 Truxtun Ave
RAIL

Wasco station

47 mi away
700 G Street
BUS

Tehachapi, California

52 mi away
Westside of Mullbery Street
BUS

Mojave, California

79 mi away
15900 Sierra Highway

Flight Path Map

This map shows the direct air route between Monterey and San Diego. Straight-line distance: 379.76 mi (611.17 km).

Monterey

#1 Monterey

City in California, United States

Population28,511
Coordinates36.6002400, -121.8946800
Altitude8
CountryUnited States
San Diego

#2 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
Start: West Franklin Street (-121.894723, 36.600017)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 720 km by road

SpeedTime
30 mph (48.3 km/h)14h 54m
40 mph (64.37 km/h)11h 11m
50 mph (80.47 km/h)08h 57m
60 mph (96.56 km/h)07h 27m
70 mph (112.65 km/h)06h 23m
80 mph (129 km/h)05h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.79 gal
59.78 L · about $91.09
Round trip
$182.19
31.58 gal · 119.56 L
Estimated CO2
140.3 kg one way
Round trip: 280.7 kg / 619 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $91.09 $182.19
Mid-grade $6.07 $95.78 $191.56
Premium $6.24 $98.58 $197.15
Diesel $7.57 $119.48 $238.97

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 17, 2026

There is no time difference between Monterey and San Diego. The current time is 10:19:21.

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.