How far is San Carlos, CA from Fremont, CA?
The driving distance from San Carlos, CA to Fremont, CA is about 20.4 miles (32.9 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 15.2 miles (24.4 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in San Mateo County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between San Carlos and Fremont.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Carlos and Fremont.
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1
Start on San Carlos Avenue
93 m · 10 sec · San Carlos Avenue
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2
Turn right onto Laurel Street
638 ft · 32 sec · Laurel Street
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3
Turn right onto Holly Street
2208 ft · 1 min · Holly Street
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4
Take the ramp slight right toward US 101 South: San Jose
2849 ft · 1 min
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5
Keep slight left to continue on US 101 South: San Jose
993 ft · 26 sec
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6
Merge slight left onto Bayshore Freeway
3.9 mi · 5 min · Bayshore Freeway
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7
Take the exit slight right toward CA 84 East: Marsh Road
937 ft · 30 sec
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8
Turn left onto Marsh Road
1681 ft · 46 sec · Marsh Road
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9
Turn right onto Bayfront Expressway
3.2 mi · 5 min · Bayfront Expressway
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10
Continue on Dumbarton Bridge
6.6 mi · 9 min · Dumbarton Bridge
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11
Take the exit slight right toward I 880 South, CA 84 East: San Jose, Fremont
2160 ft · 55 sec
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12
Merge slight left onto Nimitz Freeway
2.6 mi · 3 min · Nimitz Freeway
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13
Take the exit slight right toward Mowry Avenue, Central Fremont
1404 ft · 36 sec
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14
Turn left
36 m · 3 sec
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15
Turn straight onto Mowry Avenue
643 ft · 11 sec · Mowry Avenue
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16
Continue on Mowry Avenue
1.5 mi · 3 min · Mowry Avenue
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17
Arrive at your destination
0 m · 1 sec · Mowry Avenue
Car Route Details
A richer read on the saved driving route between San Carlos and Fremont.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Dumbarton Bridge
Continue on Dumbarton Bridge
6.63 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving San Carlos and Sunny near Fremont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Carlos to Fremont?
The road trip is about 20.4 miles (32.9 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
East Palo Alto is a useful midpoint, sitting about 10.3 miles from San Carlos and 10.3 miles from Fremont.
How much longer is the road route than the straight-line distance?
The direct path is about 15.2 miles (24.4 km), while the road route adds roughly 5.2 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.15 one way or $8.31 round trip. Estimated CO2 is about 6.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Carlos and Sunny near Fremont.
Stop Ideas Near East Palo Alto
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Palo Alto.
Fremont station
Santa Clara – Great America station
Fremont (San Joaquin Buses), California
Santa Clara station
Flight Path Map
This map shows the direct air route between San Carlos and Fremont. Straight-line distance: 15.17 mi (24.41 km).
#1 San Carlos
City in San Mateo County, California, USA
| Population | 29,641 |
| Coordinates | 37.5071600, -122.2605200 |
| Altitude | 10 |
| Country | United States |
#2 Fremont
The fifth most populous city in California.
| Population | 234,569 |
| Coordinates | 37.5482700, -121.9885700 |
| Altitude | 17 |
| Country | United States |
End: Mowry Avenue (-121.988548, 37.548259)
Estimated Travel Time
Distance: 33 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 40m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $4.15 | $8.31 |
| Mid-grade | $6.07 | $4.37 | $8.74 |
| Premium | $6.24 | $4.49 | $8.99 |
| Diesel | $7.57 | $5.45 | $10.90 |
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 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.