How far is San Francisco, CA from Monte Rio, CA?
The driving distance from San Francisco, CA to Monte Rio, CA is about 74.1 miles (119.3 km), with a travel time of about 01h 46m by car.
- The straight-line flight distance is about 57.5 miles (92.5 km).
- For a round trip, plan for roughly 03h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 01h 46m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
The most populous city in Sonoma County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Francisco and Monte Rio.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Francisco and Monte Rio.
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1
Start on Market Street
13 m · 7 sec · Market Street
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2
Turn sharp right onto South Van Ness Avenue
740 ft · 28 sec · South Van Ness Avenue
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3
Turn right onto Otis Street
649 ft · 17 sec · Otis Street
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4
Turn right onto Gough Street
628 ft · 16 sec · Gough Street
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5
Turn right onto Market Street
9 m · 1 sec · Market Street
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6
Keep slight left
151 m · 10 sec
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7
Continue on Franklin Street
755 ft · 37 sec · Franklin Street
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8
Turn left onto Fell Street
2406 ft · 2 min · Fell Street
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9
Turn right onto Webster Street
1.6 km · 2 min · Webster Street
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10
Turn left onto California Street
2416 ft · 1 min · California Street
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11
Turn right onto Divisadero Street
1.2 km · 2 min · Divisadero Street
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12
Turn left onto Lombard Street
616 ft · 30 sec · Lombard Street
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13
Continue on Richardson Avenue
1231 ft · 41 sec · Richardson Avenue
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14
Continue on Presidio Parkway
1.8 mi · 4 min · Presidio Parkway
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15
Continue on Golden Gate Bridge
1.7 mi · 3 min · Golden Gate Bridge
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16
Continue on Redwood Highway
39.8 mi · 49 min · Redwood Highway
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17
Take the exit slight right toward CA 116 West: Sebastopol, Downtown Cotati
1508 ft · 44 sec
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18
Continue on Gravenstein Highway
7.7 mi · 12 min · Gravenstein Highway
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19
Continue on Petaluma Avenue
1.1 km · 1 min · Petaluma Avenue
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20
Turn left onto McKinley Avenue
133 m · 11 sec · McKinley Avenue
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21
Turn right onto North Main Street
885 ft · 17 sec · North Main Street
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22
Turn slight left onto Healdsburg Avenue
2865 ft · 48 sec · Healdsburg Avenue
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23
Continue on Gravenstein Highway North
5.7 mi · 9 min · Gravenstein Highway North
-
24
Continue on Front Street
1725 ft · 29 sec · Front Street
-
25
Continue on Pocket Canyon Highway
7.1 mi · 11 min · Pocket Canyon Highway
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26
Turn left onto Main Street
4.3 mi · 6 min · Main Street
-
27
Turn left onto Church Street
102 m · 9 sec · Church Street
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28
Continue on Bohemian Highway
910 ft · 31 sec · Bohemian Highway
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29
Turn left onto River Boulevard
39 m · 6 sec · River Boulevard
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30
Arrive at your destination
0 m · 1 sec · River Boulevard
Car Route Details
A richer read on the saved driving route between San Francisco and Monte Rio.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Redwood Highway
Continue on Redwood Highway
39.8 mi · 00h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Patchy Fog then Partly Sunny leaving San Francisco and Mostly Sunny near Monte Rio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Francisco to Monte Rio?
The road trip is about 74.1 miles (119.3 km) and usually takes 01h 46m 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?
Petaluma is a useful midpoint, sitting about 37 miles from San Francisco and 37 miles from Monte Rio.
How much longer is the road route than the straight-line distance?
The direct path is about 57.5 miles (92.5 km), while the road route adds roughly 16.6 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 2:58 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.11 one way or $30.23 round trip. Estimated CO2 is about 23.3 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Partly Sunny around San Francisco and Mostly Sunny near Monte Rio.
Stop Ideas Near Petaluma
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Rohnert Park Public Works
Sonoma City Hall
Petaluma City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Petaluma.
Petaluma, California
Rohnert Park, California
Santa Rosa, California
Vallejo, California
Flight Path Map
This map shows the direct air route between San Francisco and Monte Rio. Straight-line distance: 57.47 mi (92.49 km).
#1 San Francisco
The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.
| Population | 866,606 |
| Coordinates | 37.7749300, -122.4194200 |
| Altitude | 16 |
| Country | United States |
#2 Monte Rio
Census-designated place in Sonoma County, California
| Population | 1,152 |
| Coordinates | 38.4654700, -123.0088900 |
| Altitude | 13 |
| Country | United States |
End: Monte Rio (-123.00889, 38.46547)
Estimated Travel Time
Distance: 119 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 28m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 28m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $15.11 | $30.23 |
| Mid-grade | $6.07 | $15.89 | $31.79 |
| Premium | $6.24 | $16.36 | $32.71 |
| Diesel | $7.57 | $19.83 | $39.65 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.