How far is Fremont, CA from Brentwood, CA?

The driving distance from Fremont, CA to Brentwood, CA is about 43.6 miles (70.2 km), with a travel time of about 01h 04m by car.

  • The straight-line flight distance is about 30.9 miles (49.8 km).
  • For a round trip, plan for roughly 02h 09m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
43.59 mi
01h 04m
Flight
30.96 mi
49.82 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Fremont.

Flight Distance

Direct air line
30.96 mi
Kilometers
49.82 km
Flight Time
00h 03m

Driving Distance

Road route
43.59 mi
Kilometers
70.15 km
Drive Time
01h 04m

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 04m.

Arrival Snapshot
Arrive in Brentwood
Sat, Apr 18, 3:25 AM PDT
Return by in Fremont
Sat, Apr 18, 4:30 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fremont
2026-04-18T02:20
Arrive Brentwood
Sat, Apr 18, 3:25 AM PDT
Route Timing
01h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
9:05 AM to 11:05 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:20 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Fremont
9:30 PM PDT
Morning start is best

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
Livermore
CA

A city in Alameda County, California.

From Fremont
21.8 mi
00h 32m
To Brentwood
21.8 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
3 to 8 mph W
Destination
Brentwood Weather
CA
Live fallback forecast
76°F
Saturday
Using Diablo as the closest live forecast in the Contra Costa County weather hub.

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
2 to 7 mph W

Driving Route Map

The map below follows the saved road route between Fremont and Brentwood.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fremont and Brentwood.

  1. 1

    Start on Mowry Avenue

    33 m · 7 sec · Mowry Avenue

  2. 2

    Turn right onto Fremont Boulevard

    1.9 mi · 5 min · Fremont Boulevard

  3. 3

    Continue on Washington Boulevard

    1.2 mi · 3 min · Washington Boulevard

  4. 4

    Turn left onto I 680 North: Sacramento

    1216 ft · 32 sec

  5. 5

    Merge slight left

    5.6 mi · 6 min

  6. 6

    Take the exit slight right toward CA 84 East: Livermore, Vallecitos Road

    5.5 mi · 8 min

  7. 7

    Merge slight right onto Isabel Avenue

    4.3 mi · 7 min · Isabel Avenue

  8. 8

    Take the exit slight right toward I 580 East: Stockton

    2679 ft · 1 min

  9. 9

    Merge slight left onto Arthur H. Breed Junior Freeway

    3.8 mi · 4 min · Arthur H. Breed Junior Freeway

  10. 10

    Take the exit slight right toward Brentwood, Vasco Road

    756 ft · 18 sec

  11. 11

    Keep slight left to continue on Vasco Road North, Brentwood

    1475 ft · 36 sec

  12. 12

    Merge slight left onto South Vasco Road

    16.6 mi · 23 min · South Vasco Road

  13. 13

    Turn right onto Walnut Boulevard

    2.6 mi · 5 min · Walnut Boulevard

  14. 14

    Turn right onto Balfour Road

    1599 ft · 41 sec · Balfour Road

  15. 15

    Turn sharp left onto Brentwood Boulevard

    2782 ft · 51 sec · Brentwood Boulevard

  16. 16

    Arrive at your destination

    0 m · 1 sec · Brentwood Boulevard

Car Route Details

A richer read on the saved driving route between Fremont and Brentwood.

OSRM road route
Drive Character

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.

Directions
16 steps
5 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
36.7 / 100 mi
Decision points by distance
Main Roads
South Vasco Road
16.6 mi · 38%
I 680 North
5.85 mi · 13%
CA 84 East
5.47 mi · 13%
Isabel Avenue
4.35 mi · 10%
Arthur H. Breed Junior Freeway
3.98 mi · 9%
Walnut Boulevard
2.62 mi · 6%
Longest Stretch

South Vasco Road

Merge slight left onto South Vasco Road

16.6 mi · 00h 23m

Route Summary

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

Trip Read

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.

Drive Time
01h 04m
Day trip friendly
Same-Day Return
02h 10m
Round-trip wheel time
Road vs Air
+12.7 mi
30.9 mi direct line
Halfway Stop
Livermore
00h 32m from Fremont
Leave By
4:20 PM PDT
Morning start is best
Weather Watch

Sunny leaving Fremont and Mostly Sunny near Brentwood.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fremont to Brentwood?

The road trip is about 43.6 miles (70.2 km) and usually takes 01h 04m 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?

Livermore is a useful midpoint, sitting about 21.8 miles from Fremont and 21.8 miles from Brentwood.

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

The direct path is about 30.9 miles (49.8 km), while the road route adds roughly 12.7 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:20 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.88 one way or $17.77 round trip. Estimated CO2 is about 13.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Fremont and Mostly Sunny near Brentwood.

Stop Ideas Near Livermore

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

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

BUS

Livermore, California

4 mi away
2500 Railroad Avenue
RAIL

Livermore, CA

5 mi away
575 South Vasco Road
RAIL

Pleasanton, CA

10 mi away
4950 Pleasanton Avenue
BUS

Dublin-Pleasanton, California

12 mi away
5801 Owens Drive

Flight Path Map

This map shows the direct air route between Fremont and Brentwood. Straight-line distance: 30.96 mi (49.82 km).

Fremont

#1 Fremont

The fifth most populous city in California.

Population234,569
Coordinates37.5482700, -121.9885700
Altitude17
CountryUnited States
Brentwood

#2 Brentwood

The most populous city in Contra Costa County, California.

Population65,017
Coordinates37.9318700, -121.6957900
Altitude24
CountryUnited States
Start: Fremont (-121.98857, 37.54827)
End: Brentwood (-121.69579, 37.93187)

Estimated Travel Time

Distance: 70 km by road

SpeedTime
30 mph (48.3 km/h)01h 27m
40 mph (64.37 km/h)01h 05m
50 mph (80.47 km/h)00h 52m
60 mph (96.56 km/h)00h 43m
70 mph (112.65 km/h)00h 37m
80 mph (129 km/h)00h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.54 gal
5.82 L · about $8.88
Round trip
$17.77
3.08 gal · 11.64 L
Estimated CO2
13.7 kg one way
Round trip: 27.4 kg / 60 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $8.88 $17.77
Mid-grade $6.07 $9.34 $18.68
Premium $6.24 $9.61 $19.23
Diesel $7.57 $11.65 $23.31

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 18, 2026

There is no time difference between Fremont and Brentwood. The current time is 02:20:20.

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.