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

The driving distance from Portola, CA to San Diego, CA is about 605.2 miles (973.9 km), with a travel time of about 10h 35m by car.

  • The straight-line flight distance is about 523.5 miles (842.5 km).
  • For a round trip, plan for roughly 21h 11m 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
605.15 mi
10h 35m
Flight
523.52 mi
842.52 km direct

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

Learn Distance

Choose another destination from Portola.

Flight Distance

Direct air line
523.52 mi
Kilometers
842.52 km
Flight Time
01h 03m

Driving Distance

Road route
605.15 mi
Kilometers
973.89 km
Drive Time
10h 35m

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 10h 35m.

Arrival Snapshot
Arrive in San Diego
Sun, Apr 19, 1:54 PM PDT
Return by in Portola
Mon, Apr 20, 12:30 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portola
2026-04-19T03:18
Arrive San Diego
Sun, Apr 19, 1:54 PM PDT
Route Timing
10h 35m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
4:36 PM to 6:06 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
2:48 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Portola
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
Lone Pine
CA

Census-designated place in Inyo County, California

From Portola
302.5 mi
05h 18m
To San Diego
302.6 mi
05h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Sunday

Partly Sunny then Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM PDT
Wind
5 to 10 mph S
Destination
74°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
0 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    21 m · 7 sec

  2. 2

    Turn right onto East Sierra Avenue

    2774 ft · 59 sec · East Sierra Avenue

  3. 3

    Continue on Feather River Highway

    23 mi · 27 min · Feather River Highway

  4. 4

    Take the ramp slight right toward US 395 South: Reno, Carson City

    1996 ft · 26 sec

  5. 5

    Merge slight left onto Route 395

    7.5 mi · 9 min · Route 395

  6. 6

    Continue on Martin Luther King Junior Memorial Highway

    50.9 mi · 58 min · Martin Luther King Junior Memorial Highway

  7. 7

    Turn left onto South Carson Street

    11 mi · 14 min · South Carson Street

  8. 8

    Take the exit slight right

    149 m · 13 sec

  9. 9

    Turn straight onto Woodfords Road

    1740 ft · 43 sec · Woodfords Road

  10. 10

    Enter the roundabout and take exit 3 toward County Road

    44 m · 2 sec · County Road

  11. 11

    Exit the roundabout onto County Road

    1.1 mi · 2 min · County Road

  12. 12

    At the end of the road, turn right

    65.5 mi · 1 hr 30 min

  13. 13

    Turn left onto Emigrant Street

    2635 ft · 42 sec · Emigrant Street

  14. 14

    At the end of the road, turn right onto Sinclair Street

    549 ft · 14 sec · Sinclair Street

  15. 15

    Turn left onto Main Street

    43.8 mi · 53 min · Main Street

  16. 16

    Continue straight

    43.6 mi · 51 min

  17. 17

    Turn right onto North Barlow Lane

    1 mi · 2 min · North Barlow Lane

  18. 18

    Turn left onto West Line Street

    1.5 mi · 3 min · West Line Street

  19. 19

    Turn right onto South Main Street

    2.4 mi · 4 min · South Main Street

  20. 20

    Continue on El Camino Sierra

    5 mi · 6 min · El Camino Sierra

  21. 21

    Continue on Grand Army of the Republic Highway

    7.4 mi · 9 min · Grand Army of the Republic Highway

  22. 22

    Continue on North Main Street

    1317 ft · 32 sec · North Main Street

  23. 23

    Continue on Grand Army of the Republic Highway

    26.1 mi · 31 min · Grand Army of the Republic Highway

  24. 24

    Continue on North Edwards Street

    1.1 km · 2 min · North Edwards Street

  25. 25

    Continue on Grand Army of the Republic Highway

    15.1 mi · 18 min · Grand Army of the Republic Highway

  26. 26

    Continue on North Main Street

    2.2 mi · 5 min · North Main Street

  27. 27

    Continue on Grand Army of the Republic Highway

    56.1 mi · 1 hr 5 min · Grand Army of the Republic Highway

  28. 28

    Continue on Blue Star Memorial Highway

    7 mi · 8 min · Blue Star Memorial Highway

  29. 29

    Keep slight left to continue on Blue Star Memorial Highway

    29.7 mi · 35 min · Blue Star Memorial Highway

  30. 30

    Continue on Red Mountain Road

    1.5 km · 2 min · Red Mountain Road

  31. 31

    Continue on Blue Star Memorial Highway

    66.7 mi · 1 hr 21 min · Blue Star Memorial Highway

  32. 32

    Take the exit straight toward I 15 South: San Bernardino, Los Angeles

    1.1 km · 1 min

  33. 33

    Merge slight left onto Barstow and Mojave Freeway

    3.4 mi · 4 min · Barstow and Mojave Freeway

  34. 34

    Continue on CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway

    5.6 mi · 6 min · CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway

  35. 35

    Continue on Barstow and Mojave Freeway

    6.3 mi · 7 min · Barstow and Mojave Freeway

  36. 36

    Continue on Barstow Freeway

    1095 ft · 13 sec · Barstow Freeway

  37. 37

    Keep slight left to continue on Barstow Freeway

    9.3 mi · 10 min · Barstow Freeway

  38. 38

    Continue on San Bernardino Freeway

    5.6 mi · 6 min · San Bernardino Freeway

  39. 39

    Continue on Riverside Freeway

    5.3 mi · 6 min · Riverside Freeway

  40. 40

    Take the exit slight right toward I 215 South, CA 60 East: San Diego, Indio

    5.1 mi · 6 min

  41. 41

    Keep slight right to continue on I 215, CA 60 Truck

    2512 ft · 33 sec

  42. 42

    Keep slight right

    36.3 mi · 41 min

  43. 43

    Continue on Avocado Highway

    21.9 mi · 24 min · Avocado Highway

  44. 44

    Continue on Escondido Freeway

    3.4 mi · 4 min · Escondido Freeway

  45. 45

    Keep slight right to continue on Escondido Freeway

    8.7 mi · 10 min · Escondido Freeway

  46. 46

    Continue on Tony Gwynn Memorial Freeway

    4.5 mi · 5 min · Tony Gwynn Memorial Freeway

  47. 47

    Continue on Escondido Freeway

    3.1 mi · 4 min · Escondido Freeway

  48. 48

    Continue on Semper Fi Highway

    2.2 mi · 3 min · Semper Fi Highway

  49. 49

    Take the exit slight right toward CA 163 South

    1.2 km · 52 sec

  50. 50

    Continue on Cabrillo Freeway

    8.2 mi · 9 min · Cabrillo Freeway

  51. 51

    Continue on Cabrillo Parkway

    1.5 mi · 2 min · Cabrillo Parkway

  52. 52

    Continue on Cabrillo Parkway

    1.3 km · 1 min · Cabrillo Parkway

  53. 53

    Continue on 10th Avenue

    1507 ft · 42 sec · 10th Avenue

  54. 54

    Turn right onto Broadway

    2811 ft · 1 min · Broadway

  55. 55

    Turn left onto Front Street

    8 m · 1 sec · Front Street

  56. 56

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Portola 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
56 steps
14 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Grand Army of the Republic Highway
105 mi · 17%
Blue Star Memorial Highway
103 mi · 17%
Main Street
87.3 mi · 14%
Martin Luther King Junior Memorial Highway
50.9 mi · 8%
I 215
36.7 mi · 6%
Feather River Highway
23 mi · 4%
Longest Stretch

Blue Star Memorial Highway

Continue on Blue Star Memorial Highway

66.7 mi · 01h 21m

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
10h 35m
Overnight route
Same-Day Return
21h 12m
Round-trip wheel time
Road vs Air
+81.7 mi
523.5 mi direct line
Halfway Stop
Lone Pine
05h 18m from Portola
Leave By
2:48 PM PDT
Overnight-style route
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 605.2 miles (973.9 km) and usually takes 10h 35m 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?

Lone Pine is a useful midpoint, sitting about 302.5 miles from Portola and 302.6 miles from San Diego.

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

The direct path is about 523.5 miles (842.5 km), while the road route adds roughly 81.7 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 $123.17 one way or $246.34 round trip. Estimated CO2 is about 189.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Lone Pine

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

Mid-route Guidance
Local place coverage is thin around Lone Pine, 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 Lone Pine.

BUS

Visalia, California

113 mi away
425 E. Oak Street

Flight Path Map

This map shows the direct air route between Portola and San Diego. Straight-line distance: 523.52 mi (842.52 km).

Portola

#1 Portola

City in Plumas County, California, United States

Population1,913
Coordinates39.8104600, -120.4691000
Altitude1480
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: East Sierra Avenue (-120.469194, 39.81063)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 974 km by road

SpeedTime
30 mph (48.3 km/h)20h 09m
40 mph (64.37 km/h)15h 07m
50 mph (80.47 km/h)12h 06m
60 mph (96.56 km/h)10h 05m
70 mph (112.65 km/h)08h 38m
80 mph (129 km/h)07h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
21.35 gal
80.83 L · about $123.17
Round trip
$246.34
42.7 gal · 161.66 L
Estimated CO2
189.7 kg one way
Round trip: 379.5 kg / 837 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $123.17 $246.34
Mid-grade $6.07 $129.51 $259.02
Premium $6.24 $133.29 $266.58
Diesel $7.57 $161.56 $323.11

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 19, 2026

There is no time difference between Portola and San Diego. The current time is 03:18:53.

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.