How far is Castro Valley, CA from Fresno, CA?
The driving distance from Castro Valley, CA to Fresno, CA is about 169 miles (271.9 km), with a travel time of about 02h 57m by car.
- The straight-line flight distance is about 143.1 miles (230.3 km).
- For a round trip, plan for roughly 05h 54m 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 02h 57m.
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 Stanislaus County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Castro Valley and Fresno.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castro Valley and Fresno.
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1
Start on Lake Chabot Road
18 m · 5 sec · Lake Chabot Road
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2
Turn left onto Castro Valley Boulevard
1408 ft · 35 sec · Castro Valley Boulevard
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3
Turn left onto Strobridge Avenue
989 ft · 21 sec · Strobridge Avenue
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4
Take the ramp left toward I 580 East
1751 ft · 45 sec
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5
Merge slight left onto Arthur H. Breed Junior Freeway
11.1 mi · 13 min · Arthur H. Breed Junior Freeway
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6
Keep slight right to continue on Arthur H. Breed Junior Freeway
17.8 mi · 21 min · Arthur H. Breed Junior Freeway
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7
Keep slight left to continue on Robert T. Monagan Freeway
3.9 mi · 4 min · Robert T. Monagan Freeway
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8
Keep slight left to continue on Robert T. Monagan Freeway
10.7 mi · 12 min · Robert T. Monagan Freeway
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9
Merge slight left onto Westside Freeway
1.6 km · 1 min · Westside Freeway
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10
Take the exit slight right toward CA 120 East: Manteca, Sonora
143 m · 6 sec
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11
Continue straight
6.2 mi · 7 min
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12
Take the exit slight right toward CA 99 South: Modesto, Fresno
1.1 km · 2 min
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13
Merge slight left
105.8 mi · 2 hr 1 min
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14
Take the exit slight right toward Belmont Avenue
1517 ft · 41 sec
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15
At the end of the road, turn left onto West Belmont Avenue
2.9 mi · 6 min · West Belmont Avenue
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16
Turn right onto North First Street
968 ft · 26 sec · North First Street
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17
Turn left onto East Washington Avenue
21 m · 3 sec · East Washington Avenue
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18
Arrive at your destination
0 m · 1 sec · East Washington Avenue
Car Route Details
A richer read on the saved driving route between Castro Valley and Fresno.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
CA 99 South
Merge slight left
106 mi · 02h 01m
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.
Sunny leaving Castro Valley and Mostly Sunny near Fresno.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castro Valley to Fresno?
The road trip is about 169 miles (271.9 km) and usually takes 02h 57m 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?
Turlock is a useful midpoint, sitting about 80.7 miles from Castro Valley and 88.2 miles from Fresno.
How much longer is the road route than the straight-line distance?
The direct path is about 143.1 miles (230.3 km), while the road route adds roughly 25.9 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 12:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.38 one way or $68.77 round trip. Estimated CO2 is about 53 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Castro Valley and Mostly Sunny near Fresno.
Stop Ideas Near Turlock
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 Turlock.
Denair station
Modesto station
Merced station
Manteca, CA
Flight Path Map
This map shows the direct air route between Castro Valley and Fresno. Straight-line distance: 143.12 mi (230.33 km).
#1 Castro Valley
A city in Alameda County, California.
| Population | 61,388 |
| Coordinates | 37.6941000, -122.0863500 |
| Altitude | 50 |
| Country | United States |
#2 Fresno
The fifth most populous city in California and the center of the Fresno metropolitan area.
| Population | 530,267 |
| Coordinates | 36.7477300, -119.7723700 |
| Altitude | 94 |
| Country | United States |
End: East Washington Avenue (-119.77237, 36.747738)
Estimated Travel Time
Distance: 272 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 37m |
| 40 mph (64.37 km/h) | 04h 13m |
| 50 mph (80.47 km/h) | 03h 22m |
| 60 mph (96.56 km/h) | 02h 48m |
| 70 mph (112.65 km/h) | 02h 24m |
| 80 mph (129 km/h) | 02h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $34.38 | $68.77 |
| Mid-grade | $6.07 | $36.15 | $72.31 |
| Premium | $6.24 | $37.21 | $74.42 |
| Diesel | $7.57 | $45.10 | $90.20 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.