How far is San Francisco, CA from El Rio, CA?

The driving distance from San Francisco, CA to El Rio, CA is about 361.1 miles (581.2 km), with a travel time of about 07h 09m by car.

  • The straight-line flight distance is about 304.8 miles (490.5 km).
  • For a round trip, plan for roughly 14h 19m 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
361.13 mi
07h 09m
Flight
304.76 mi
490.46 km direct

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

Learn Distance

Choose another destination from San Francisco.

Flight Distance

Direct air line
304.76 mi
Kilometers
490.46 km
Flight Time
00h 36m

Driving Distance

Road route
361.13 mi
Kilometers
581.19 km
Drive Time
07h 09m

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 09m.

Arrival Snapshot
Arrive in El Rio
Wed, May 20, 2:20 AM PDT
Return by in San Francisco
Wed, May 20, 9:30 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Francisco
2026-05-19T19:10
Arrive El Rio
Wed, May 20, 2:20 AM PDT
Route Timing
07h 09m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:10 PM to 2:40 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
9:40 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in San Francisco
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
Lake Nacimiento
CA

Census designated place

From San Francisco
180.6 mi
03h 35m
To El Rio
180.6 mi
03h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Today

Sunny

Starts
Tue, May 19 8:00 AM PDT
Wind
1 to 12 mph NNW
Destination
74°F
Tuesday

Sunny

Starts
Tue, May 19 6:00 AM PDT
Wind
5 to 15 mph WNW

Driving Route Map

The map below follows the saved road route between San Francisco and El Rio.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Francisco and El Rio.

  1. 1

    Start on Market Street

    95 m · 8 sec · Market Street

  2. 2

    Turn right onto 11th Street

    3173 ft · 2 min · 11th Street

  3. 3

    Turn left onto Bryant Street

    143 m · 18 sec · Bryant Street

  4. 4

    Take the ramp slight right toward US 101 South: San Jose

    1719 ft · 29 sec

  5. 5

    Merge slight right onto James Lick Freeway

    4.3 mi · 6 min · James Lick Freeway

  6. 6

    Continue on Bayshore Freeway

    5.2 mi · 6 min · Bayshore Freeway

  7. 7

    Keep slight left to continue on Bayshore Freeway

    25 mi · 29 min · Bayshore Freeway

  8. 8

    Keep slight left to continue on Bayshore Freeway

    48.8 mi · 56 min · Bayshore Freeway

  9. 9

    Continue on El Camino Real

    10 mi · 11 min · El Camino Real

  10. 10

    Take the exit slight right

    1.2 km · 50 sec

  11. 11

    Merge slight left onto El Camino Real

    135.9 mi · 2 hr 37 min · El Camino Real

  12. 12

    Continue on Cabrillo Highway

    11.8 mi · 14 min · Cabrillo Highway

  13. 13

    Continue on El Camino Real

    44.8 mi · 52 min · El Camino Real

  14. 14

    Take the exit slight right toward CA 154: Los Olivos, Lake Cachuma

    1266 ft · 37 sec

  15. 15

    Turn left onto Chumash Highway

    6.4 mi · 10 min · Chumash Highway

  16. 16

    Enter the roundabout and take exit 2 toward Chumash Highway

    39 m · 2 sec · Chumash Highway

  17. 17

    Exit the roundabout onto Chumash Highway

    2.2 mi · 3 min · Chumash Highway

  18. 18

    Enter the roundabout and take exit 2 toward Chumash Highway

    35 m · 2 sec · Chumash Highway

  19. 19

    Exit the roundabout onto Chumash Highway

    23.9 mi · 33 min · Chumash Highway

  20. 20

    Take the ramp slight left toward US 101 South

    1206 ft · 32 sec

  21. 21

    Merge slight left onto El Camino Real

    17 mi · 20 min · El Camino Real

  22. 22

    Continue on Ventura Freeway

    22.2 mi · 26 min · Ventura Freeway

  23. 23

    Take the exit slight right toward CA 232: Vineyard Avenue

    1705 ft · 44 sec

  24. 24

    Turn left onto East Vineyard Avenue

    1 km · 1 min · East Vineyard Avenue

  25. 25

    Turn right onto East Collins Street

    1690 ft · 1 min · East Collins Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · East Collins Street

Car Route Details

A richer read on the saved driving route between San Francisco and El Rio.

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
26 steps
9 turns on the saved route
Ramps & Exits
12
3 merges, 9 ramps or exits
Navigation Density
7.2 / 100 mi
Decision points by distance
Main Roads
El Camino Real
208 mi · 58%
Bayshore Freeway
79 mi · 22%
Chumash Highway
32.6 mi · 9%
Ventura Freeway
22.2 mi · 6%
Cabrillo Highway
11.8 mi · 3%
James Lick Freeway
4.33 mi · 1%
Longest Stretch

El Camino Real

Merge slight left onto El Camino Real

136 mi · 02h 37m

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 09m
Overnight route
Same-Day Return
14h 20m
Round-trip wheel time
Road vs Air
+56.3 mi
304.8 mi direct line
Halfway Stop
Lake Nacimiento
03h 35m from San Francisco
Leave By
9:40 PM PDT
Overnight-style route
Weather Watch

Sunny leaving San Francisco and Sunny near El Rio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Francisco to El Rio?

The road trip is about 361.1 miles (581.2 km) and usually takes 07h 09m 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?

Lake Nacimiento is a useful midpoint, sitting about 180.6 miles from San Francisco and 180.6 miles from El Rio.

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

The direct path is about 304.8 miles (490.5 km), while the road route adds roughly 56.3 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 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 $73.50 one way or $146.99 round trip. Estimated CO2 is about 113.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around San Francisco and Sunny near El Rio.

Stop Ideas Near Lake Nacimiento

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

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

RAIL

Paso Robles station

21 mi away
800 Pine Street
BUS

Atascadero, California

33 mi away
6910 El Camino Real
BUS

San Luis Obispo (Cal Poly), California

53 mi away
Grand Avenue & Deer Road
RAIL

San Luis Obispo

54 mi away
1011 Railroad Avenue

Flight Path Map

This map shows the direct air route between San Francisco and El Rio. Straight-line distance: 304.76 mi (490.46 km).

San Francisco

#1 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
El Rio

#2 El Rio

Census-designated place in Ventura County, California

Population7,198
Coordinates34.2357800, -119.1638300
Altitude28
CountryUnited States
Start: San Francisco (-122.41942, 37.77493)
End: El Rio (-119.16383, 34.23578)

Estimated Travel Time

Distance: 581 km by road

SpeedTime
30 mph (48.3 km/h)12h 01m
40 mph (64.37 km/h)09h 01m
50 mph (80.47 km/h)07h 13m
60 mph (96.56 km/h)06h 01m
70 mph (112.65 km/h)05h 09m
80 mph (129 km/h)04h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.74 gal
48.24 L · about $73.50
Round trip
$146.99
25.48 gal · 96.48 L
Estimated CO2
113.2 kg one way
Round trip: 226.4 kg / 499 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $73.50 $146.99
Mid-grade $6.07 $77.28 $154.56
Premium $6.24 $79.54 $159.07
Diesel $7.57 $96.40 $192.81

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 20, 2026

There is no time difference between San Francisco and El Rio. The current time is 19:10:08.

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.