How far is Alum Rock, CA from Fremont, CA?
The driving distance from Alum Rock, CA to Fremont, CA is about 19.1 miles (30.7 km), with a travel time of about 00h 26m by car.
- The straight-line flight distance is about 15.4 miles (24.8 km).
- For a round trip, plan for roughly 00h 52m 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 26m.
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.
A city in Santa Clara County, California.
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 Alum Rock and Fremont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alum Rock and Fremont.
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1
Start on Alum Rock Avenue
108 m · 35 sec · Alum Rock Avenue
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2
Continue on Alum Rock Avenue
1.4 km · 2 min · Alum Rock Avenue
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3
Take the ramp slight right toward I 680 North
1449 ft · 37 sec
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4
Merge slight left onto Sinclair Freeway
2.9 mi · 3 min · Sinclair Freeway
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5
Take the exit slight right toward Capitol Avenue
1684 ft · 41 sec
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6
Turn straight onto North Capitol Avenue
2498 ft · 46 sec · North Capitol Avenue
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7
Turn left onto Trade Zone Boulevard
1.4 km · 2 min · Trade Zone Boulevard
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8
Turn left onto Montague Expressway
2481 ft · 53 sec · Montague Expressway
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9
Take the exit slight right toward I 880 North: Oakland
2148 ft · 54 sec
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10
Merge slight left onto Nimitz Freeway
4.4 mi · 5 min · Nimitz Freeway
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11
Keep slight right to continue on Nimitz Freeway
5.7 mi · 7 min · Nimitz Freeway
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12
Take the exit slight right toward Mowry Avenue, Central Fremont
1419 ft · 36 sec
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13
Turn right onto Mowry Avenue
1.4 mi · 3 min · Mowry Avenue
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14
Arrive at your destination
0 m · 1 sec · Mowry Avenue
Car Route Details
A richer read on the saved driving route between Alum Rock 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.
Nimitz Freeway
Keep slight right to continue on Nimitz Freeway
5.69 mi · 00h 07m
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 Alum Rock and Sunny near Fremont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alum Rock to Fremont?
The road trip is about 19.1 miles (30.7 km) and usually takes 00h 26m 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?
Milpitas is a useful midpoint, sitting about 9.3 miles from Alum Rock and 9.8 miles from Fremont.
How much longer is the road route than the straight-line distance?
The direct path is about 15.4 miles (24.8 km), while the road route adds roughly 3.7 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:38 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.87 one way or $7.73 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Alum Rock and Sunny near Fremont.
Stop Ideas Near Milpitas
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 Milpitas.
Santa Clara – Great America station
Santa Clara station
San Jose Diridon station
Fremont (San Joaquin Buses), California
Flight Path Map
This map shows the direct air route between Alum Rock and Fremont. Straight-line distance: 15.39 mi (24.77 km).
#1 Alum Rock
Census-designated place in Santa Clara County, California
| Population | 15,536 |
| Coordinates | 37.3660500, -121.8271800 |
| Altitude | 46 |
| 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: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $3.87 | $7.73 |
| Mid-grade | $6.07 | $4.06 | $8.13 |
| Premium | $6.24 | $4.18 | $8.37 |
| Diesel | $7.57 | $5.07 | $10.14 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.