How far is Los Osos, CA from San Francisco, CA?

The driving distance from Los Osos, CA to San Francisco, CA is about 238 miles (383.1 km), with a travel time of about 04h 06m by car.

  • The straight-line flight distance is about 191.7 miles (308.5 km).
  • For a round trip, plan for roughly 08h 12m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
238.07 mi
04h 06m
Flight
191.67 mi
308.46 km direct

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

Learn Distance

Choose another destination from Los Osos.

Flight Distance

Direct air line
191.67 mi
Kilometers
308.46 km
Flight Time
00h 23m

Driving Distance

Road route
238.07 mi
Kilometers
383.14 km
Drive Time
04h 06m

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 04h 06m.

Arrival Snapshot
Arrive in San Francisco
Thu, Oct 15, 6:30 PM PDT
Return by in Los Osos
Thu, Oct 15, 10:37 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Los Osos
2026-10-15T14:24
Arrive San Francisco
Thu, Oct 15, 6:30 PM PDT
Route Timing
04h 06m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:06 AM to 12:06 PM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:48 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Los Osos
9:00 PM PDT
Early departure recommended

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
Chualar
CA

Census-designated place in Monterey County, California

From Los Osos
118.7 mi
02h 03m
To San Francisco
119.3 mi
02h 03m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Today

Sunny

Starts
Thu, Oct 15 11:00 AM PDT
Wind
10 mph NNW
Destination
88°F
Today

Sunny

Starts
Thu, Oct 15 7:00 AM PDT
Wind
1 to 7 mph SE

Driving Route Map

The map below follows the saved road route between Los Osos and San Francisco.

Turn-by-Turn Driving Directions

Step-by-step road directions between Los Osos and San Francisco.

  1. 1

    Start on Los Osos Valley Road

    2120 ft · 1 min · Los Osos Valley Road

  2. 2

    Turn left onto South Bay Boulevard

    4 mi · 8 min · South Bay Boulevard

  3. 3

    Take the ramp left

    1101 ft · 27 sec

  4. 4

    Merge slight left onto Cabrillo Highway

    1.8 mi · 2 min · Cabrillo Highway

  5. 5

    Take the exit slight right toward CA 41: Atascadero

    1220 ft · 33 sec

  6. 6

    Turn right onto Old U.S. Route 466

    13.3 mi · 20 min · Old U.S. Route 466

  7. 7

    Continue on CA 41

    2.6 mi · 4 min · CA 41

  8. 8

    Turn slight right

    80 m · 12 sec

  9. 9

    Turn slight right onto El Camino Real

    63 m · 7 sec · El Camino Real

  10. 10

    Take the ramp right toward US 101 North

    152 m · 12 sec

  11. 11

    Merge slight left onto El Camino Real

    130.2 mi · 2 hr 30 min · El Camino Real

  12. 12

    Continue on South Valley Freeway

    26.3 mi · 30 min · South Valley Freeway

  13. 13

    Keep slight left

    21.9 mi · 25 min

  14. 14

    Keep slight left

    35.8 mi · 43 min

  15. 15

    Continue on Octavia Boulevard

    2490 ft · 42 sec · Octavia Boulevard

  16. 16

    Turn right onto Market Street

    629 ft · 32 sec · Market Street

  17. 17

    Keep slight right to continue on Market Street

    961 ft · 35 sec · Market Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Market Street

Car Route Details

A richer read on the saved driving route between Los Osos and San Francisco.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
18 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
7.6 / 100 mi
Decision points by distance
Main Roads
El Camino Real
130 mi · 55%
South Valley Freeway
84 mi · 35%
Old U.S. Route 466
13.3 mi · 6%
South Bay Boulevard
4.21 mi · 2%
CA 41
2.83 mi · 1%
Cabrillo Highway
1.81 mi · 1%
Longest Stretch

El Camino Real

Merge slight left onto El Camino Real

130 mi · 02h 30m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 06m
Long day trip
Same-Day Return
08h 12m
Round-trip wheel time
Road vs Air
+46.3 mi
191.7 mi direct line
Halfway Stop
Chualar
02h 03m from Los Osos
Leave By
8:48 AM PDT
Early departure recommended
Weather Watch

Sunny leaving Los Osos and Sunny near San Francisco.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Los Osos to San Francisco?

The road trip is about 238 miles (383.1 km) and usually takes 04h 06m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Chualar is a useful midpoint, sitting about 118.7 miles from Los Osos and 119.3 miles from San Francisco.

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

The direct path is about 191.7 miles (308.5 km), while the road route adds roughly 46.3 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 8:48 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $52.59 one way or $105.18 round trip. Estimated CO2 is about 74.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Los Osos and Sunny near San Francisco.

Stop Ideas Near Chualar

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

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

RAIL

Salinas station

17 mi away
Station Place and Railroad Avenue
BUS

Prunedale, California

28 mi away
Highway 156 and Highway 101
BUS

Seaside, California

29 mi away
Playa Ave & California Ave
BUS

Monterey (Hyatt Regency), California

32 mi away
1 Old Golf Course Road

Flight Path Map

This map shows the direct air route between Los Osos and San Francisco. Straight-line distance: 191.67 mi (308.46 km).

Photo coming soon

#1 Los Osos

Located along California's Central Coast in San Luis Obispo County at an elevation of 131 feet, this community is positioned on the southern shore of the Morro Bay estuary.

Population0
Coordinates35.3110900, -120.8324000
Altitude40
CountryUnited States
San Francisco

#2 San Francisco

The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.

Population866,606
Coordinates37.7749300, -122.4194200
Altitude16
CountryUnited States
Start: Los Osos Valley Road (-120.832403, 35.311078)
End: Market Street (-122.419433, 37.774953)

Estimated Travel Time

Distance: 383 km by road

SpeedTime
30 mph (48.3 km/h)07h 55m
40 mph (64.37 km/h)05h 57m
50 mph (80.47 km/h)04h 45m
60 mph (96.56 km/h)03h 58m
70 mph (112.65 km/h)03h 24m
80 mph (129 km/h)02h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.4 gal
31.8 L · about $52.59
Round trip
$105.18
16.8 gal · 63.6 L
Estimated CO2
74.7 kg one way
Round trip: 149.3 kg / 329 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $6.26 $52.59 $105.18
Mid-grade $6.50 $54.59 $109.18
Premium $6.69 $56.19 $112.38
Diesel $8.41 $70.67 $141.34

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 · Oct 15, 2026

There is no time difference between Los Osos and San Francisco. The current time is 14:24:25.

Distance to Other Cities

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