How far is San Mateo, CA from Grabtown, CA?
The driving distance from San Mateo, CA to Grabtown, CA is about 17.4 miles (28 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 9.8 miles (15.7 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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Mateo and Grabtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Mateo and Grabtown.
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1
Start on South El Camino Real
756 ft · 28 sec · South El Camino Real
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2
Turn left onto Crystal Springs Road
1.3 km · 1 min · Crystal Springs Road
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3
Turn left onto Alameda de las Pulgas
1.5 km · 2 min · Alameda de las Pulgas
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4
Take the ramp slight right toward CA 92 West: Half Moon Bay
891 ft · 14 sec
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5
Merge slight left onto J Arthur Younger Freeway
3.2 mi · 4 min · J Arthur Younger Freeway
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6
Continue on Half Moon Bay Road
2.7 mi · 5 min · Half Moon Bay Road
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7
Turn left onto Skyline Boulevard
6.9 mi · 10 min · Skyline Boulevard
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8
Turn right onto Tunitas Creek Road
2.6 mi · 6 min · Tunitas Creek Road
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9
Arrive at your destination
0 m · 1 sec · Tunitas Creek Road
Car Route Details
A richer read on the saved driving route between San Mateo and Grabtown.
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.
Skyline Boulevard
Turn left onto Skyline Boulevard
6.92 mi · 00h 10m
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.
Partly Sunny leaving San Mateo and Mostly Sunny near Grabtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Mateo to Grabtown?
The road trip is about 17.4 miles (28 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?
Half Moon Bay is a useful midpoint, sitting about 8.7 miles from San Mateo and 8.7 miles from Grabtown.
How much longer is the road route than the straight-line distance?
The direct path is about 9.8 miles (15.7 km), while the road route adds roughly 7.6 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 $3.58 one way or $7.15 round trip. Estimated CO2 is about 5.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Mateo and Mostly Sunny near Grabtown.
Stop Ideas Near Half Moon Bay
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 Half Moon Bay.
San Francisco (Civic Center), California
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San Francisco (Shopping), California
Flight Path Map
This map shows the direct air route between San Mateo and Grabtown. Straight-line distance: 9.78 mi (15.74 km).
#1 San Mateo
The second most populous city in San Mateo County, California.
| Population | 102,398 |
| Coordinates | 37.5629900, -122.3255300 |
| Altitude | 13 |
| Country | United States |
#2 Grabtown
Grabtown is a place in California, United States.
| Population | 0 |
| Coordinates | 37.4221600, -122.3438600 |
| Altitude | 490 |
| Country | United States |
End: Grabtown (-122.34386, 37.42216)
Estimated Travel Time
Distance: 28 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 34m |
| 40 mph (64.37 km/h) | 00h 26m |
| 50 mph (80.47 km/h) | 00h 20m |
| 60 mph (96.56 km/h) | 00h 17m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $3.58 | $7.15 |
| Mid-grade | $6.07 | $3.76 | $7.52 |
| Premium | $6.24 | $3.87 | $7.74 |
| Diesel | $7.57 | $4.69 | $9.38 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.