How far is Palo Alto, CA from San Martin, CA?

The driving distance from Palo Alto, CA to San Martin, CA is about 41.8 miles (67.3 km), with a travel time of about 00h 52m by car.

  • The straight-line flight distance is about 38.3 miles (61.6 km).
  • For a round trip, plan for roughly 01h 44m 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
41.79 mi
00h 52m
Flight
38.3 mi
61.63 km direct

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

Learn Distance

Choose another destination from Palo Alto.

Flight Distance

Direct air line
38.3 mi
Kilometers
61.63 km
Flight Time
00h 04m

Driving Distance

Road route
41.79 mi
Kilometers
67.26 km
Drive Time
00h 52m

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 52m.

Arrival Snapshot
Arrive in San Martin
Thu, Oct 15, 7:12 PM PDT
Return by in Palo Alto
Thu, Oct 15, 8:04 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Palo Alto
2026-10-15T18:20
Arrive San Martin
Thu, Oct 15, 7:12 PM PDT
Route Timing
00h 52m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
8:52 AM to 10:52 AM PDT

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

Leave by
4:46 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Palo Alto
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
Seven Trees
CA

Census-designated place in South San Jose

From Palo Alto
20.9 mi
00h 26m
To San Martin
20.9 mi
00h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Today

Sunny

Starts
Thu, Oct 15 7:00 AM PDT
Wind
2 to 8 mph ENE
Destination
76°F
This Afternoon

Sunny

Starts
Thu, Oct 15 12:00 PM PDT
Wind
7 mph NE

Driving Route Map

The map below follows the saved road route between Palo Alto and San Martin.

Turn-by-Turn Driving Directions

Step-by-step road directions between Palo Alto and San Martin.

  1. 1

    Start on Middlefield Road

    30 m · 11 sec · Middlefield Road

  2. 2

    Turn sharp right onto Embarcadero Road

    1 mi · 3 min · Embarcadero Road

  3. 3

    Take the ramp straight toward US 101 South: San Jose

    2301 ft · 58 sec

  4. 4

    Merge slight left onto Bayshore Freeway

    3.4 mi · 4 min · Bayshore Freeway

  5. 5

    Keep slight left to continue on Bayshore Freeway

    36.1 mi · 42 min · Bayshore Freeway

  6. 6

    Take the exit slight right toward San Martin Avenue

    1370 ft · 34 sec

  7. 7

    Turn right onto East San Martin Avenue

    2927 ft · 1 min · East San Martin Avenue

  8. 8

    Continue on East San Martin Avenue

    33 m · 31 sec · East San Martin Avenue

  9. 9

    Arrive at your destination

    0 m · 1 sec · East San Martin Avenue

Car Route Details

A richer read on the saved driving route between Palo Alto and San Martin.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
9 steps
2 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
21.5 / 100 mi
Decision points by distance
Main Roads
Bayshore Freeway
39.5 mi · 94%
Embarcadero Road
1.05 mi · 3%
East San Martin Avenue
0.57 mi · 1%
US 101 South
0.44 mi · 1%
San Martin Avenue
0.26 mi · 1%
Middlefield Road
0.02 mi
Longest Stretch

Bayshore Freeway

Keep slight left to continue on Bayshore Freeway

36.1 mi · 00h 42m

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
00h 52m
Day trip friendly
Same-Day Return
01h 44m
Round-trip wheel time
Road vs Air
+3.5 mi
38.3 mi direct line
Halfway Stop
Seven Trees
00h 26m from Palo Alto
Leave By
4:46 PM PDT
Morning start is best
Weather Watch

Sunny leaving Palo Alto and Sunny near San Martin.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Palo Alto to San Martin?

The road trip is about 41.8 miles (67.3 km) and usually takes 00h 52m 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?

Seven Trees is a useful midpoint, sitting about 20.9 miles from Palo Alto and 20.9 miles from San Martin.

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

The direct path is about 38.3 miles (61.6 km), while the road route adds roughly 3.5 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 4:46 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.20 one way or $18.41 round trip. Estimated CO2 is about 13.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Palo Alto and Sunny near San Martin.

Flight Path Map

This map shows the direct air route between Palo Alto and San Martin. Straight-line distance: 38.3 mi (61.63 km).

Palo Alto

#1 Palo Alto

The most populous city in Santa Clara County, California.

Population67,008
Coordinates37.4418800, -122.1430200
Altitude9
CountryUnited States
Photo coming soon

#2 San Martin

Situated in the southern Santa Clara Valley between Morgan Hill and Gilroy, this unincorporated community lies at an elevation of 289 feet.

Population0
Coordinates37.0849500, -121.6102200
Altitude88
CountryUnited States
Start: Palo Alto (-122.14302, 37.44188)
End: San Martin (-121.61022, 37.08495)

Estimated Travel Time

Distance: 67 km by road

SpeedTime
30 mph (48.3 km/h)01h 23m
40 mph (64.37 km/h)01h 02m
50 mph (80.47 km/h)00h 50m
60 mph (96.56 km/h)00h 41m
70 mph (112.65 km/h)00h 35m
80 mph (129 km/h)00h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.47 gal
5.58 L · about $9.20
Round trip
$18.41
2.94 gal · 11.16 L
Estimated CO2
13.1 kg one way
Round trip: 26.1 kg / 58 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $6.26 $9.20 $18.41
Mid-grade $6.50 $9.55 $19.11
Premium $6.69 $9.83 $19.67
Diesel $8.41 $12.37 $24.73

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 · Oct 15, 2026

There is no time difference between Palo Alto and San Martin. The current time is 18:20:07.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.