Trip from San Bruno, CA to Grabtown, CA

Q: What are the main roads on this route?

The main roads are Skyline Boulevard, Junipero Serra Freeway, Tunitas Creek Road. Expect a mix of highway and local road driving.

Q: Is this a good same-day trip?

This is a comfortable same-day trip.

Q: Where should I stop halfway?

The midpoint is about 11 miles from San Bruno, CA. Look for rest areas, gas stations, or food options near the halfway mark.

Q: How much does gas cost for this trip?

At current regular gas prices, expect to spend about $5.06 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Q: What is the best time to leave?

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

Q: What towns show up on signs driving from San Bruno, CA to Grabtown, CA?

The route from San Bruno, CA to Grabtown, CA does not surface many named destination signs beyond the main corridor.

Q: Are there national parks near the route from San Bruno, CA to Grabtown, CA?

Yes. Nearby national parks include San Francisco Maritime National Historical Park, Golden Gate National Recreation Area and Rosie the Riveter WWII Home Front National Historical Park. There are 4 parks within detour distance of this route.

Last recalculated Apr 16, 2026

Drive Time

34m

Distance

22 mi

35 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$5

one way

EV Charging

Unknown

Best Time to Leave

Save up to 9 min

4 AM

0h 31m ★

6 AM

0h 34m

8 AM

0h 40m

10 AM

0h 36m

12 PM

0h 36m

3 PM

0h 37m

5 PM

0h 40m

8 PM

0h 33m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly

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Trip Overview

The drive from San Bruno, CA to Grabtown, CA covers 22 miles and takes about 34m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Skyline Boulevard, Junipero Serra Freeway, Tunitas Creek Road for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 8 miles on Skyline Boulevard. At current regular gas prices, budget about $5.06 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 34m. Total distance: 22 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

34m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (37%). Some complex stretches to watch for.

Scenic Drive

Mixed drive route profile with national parks nearby.

Drive Character

The drive from San Bruno, CA to Grabtown, CA covers 22 miles and takes about 34m, using a mix of highways and local roads.

Expect a mix of faster highway mileage and slower local approaches near the beginning or end.

There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

Skyline Boulevard is the longest continuous segment at about 8 miles.

How Hard Is This Drive?

This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near San Mateo Avenue.

Driving Effort 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 22 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: near the start (San Mateo Avenue): Navigation decision point; at 1.2 miles: Lane positioning matters here; at 1.4 miles (I 280 / Junipero Serra Freeway): Merge point - match speed before joining. Lane positioning matters here.

Critical Maneuvers

5 of 9 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

5

0 mi into trip | ~0m in | San Mateo Avenue

Turn right onto San Mateo Avenue

Navigation decision point

7

1.2 mi into trip | ~2m in

Turn left toward I 280 South: San Jose

Lane positioning matters here

Use the straight / left / right lanes. Toward I 280 South: San Jose

5

1.4 mi into trip | ~3m in | I 280 / Junipero Serra Freeway

Merge onto I 280 / Junipero Serra Freeway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.

8

9.2 mi into trip | ~12m in | CA 35

Take the exit onto CA 35 toward CA 35, CA 92 West: Half Moon Bay, Bunker Hill Drive

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 34 Toward CA 35, CA 92 West: Half Moon Bay, Bunker...

5

10.5 mi into trip | ~14m in | CA 92; CA 35 / Half Moon Bay Road

At end of road, turn right onto CA 92; CA 35 / Half Moon Bay Road

Navigation decision point

Main Roads

Road	Distance	Duration
Skyline Boulevard	8 mi	12m
Junipero Serra Freeway	7.8 mi	8m
Tunitas Creek Road	2.6 mi	6m
Half Moon Bay Road	2 mi	3m
San Bruno Avenue West	1.1 mi	2m
CA 35	0.2 mi	<1m
San Mateo Avenue	<0.1 mi	<1m

Longest stretch: Skyline Boulevard — 8 mi, about 12m

Turn-by-Turn Driving Directions

Step-by-step road directions between San Bruno, CA and Grabtown, CA.

1

Start on this road

207 ft · 17 sec · this road

2

Turn right onto San Mateo Avenue

270 ft · 9 sec · San Mateo Avenue

3

Turn left onto San Bruno Avenue West

1.0 mi · 2 min · San Bruno Avenue West

Use the straight / left lanes.

4

Continue on San Bruno Avenue West

0.1 mi · 16 sec · San Bruno Avenue West

5

Turn left

0.2 mi · 26 sec

Toward I 280 South: San Jose Use the straight / left / right lanes.

6

Merge onto I 280

7.8 mi · 8 min · Junipero Serra Freeway

Use the straight / slight right lanes.

7

Take the exit onto CA 35

0.2 mi · 35 sec · CA 35

Exit 34 Toward CA 35, CA 92 West: Half Moon Bay, Bunker Hill Drive Use the straight / slight right lanes.

8

Continue on CA 35

1.1 mi · 1 min · Skyline Boulevard

Use the left / right lanes.

9

At end of road, turn right onto CA 92; CA 35

2.0 mi · 3 min · Half Moon Bay Road

10

Turn left onto CA 35

6.9 mi · 10 min · Skyline Boulevard

Use the left lane.

11

Turn right onto Tunitas Creek Road

2.6 mi · 6 min · Tunitas Creek Road

12

Arrive at destination

Tunitas Creek Road

Fuel & Cost

Regular Gas

$5.06 one way

$10.11 round trip

$5.84/gal 25.4 MPG avg 8 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$6.02	$5.21	$10.42
premium	$6.18	$5.35	$10.70
diesel	$5.61	$4.86	$9.71

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$5

Estimated CO2 emission: 7.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 63% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	6.6	$2.31	$1.06
Efficient EV	5.5	$1.92	$0.88
EV Truck/SUV	8.8	$3.08	$1.41

Gas CO2

8 kg

EV CO2

3 kg (63% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

San Bruno, CA

Afternoon in San Bruno on Thursday

Local time

1:41 PM

PDT

Current temp

52°F

Unavailable

Live forecast

Destination

Grabtown, CA

Afternoon in Grabtown on Thursday

Local time

1:41 PM

PDT

Current temp

52°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

34m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from San Bruno, CA to Grabtown, CA covers 22 miles and takes about 34m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Skyline Boulevard, Junipero Serra Freeway, Tunitas Creek Road. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 11 miles from San Bruno, CA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $5.06 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 22 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: near the start (San Mateo Avenue): Navigation decision point; at 1.2 miles: Lane positioning matters here; at 1.4 miles (I 280 / Junipero Serra Freeway): Merge point - match speed before joining. Lane positioning matters here.

The route from San Bruno, CA to Grabtown, CA does not surface many named destination signs beyond the main corridor.

Yes. Nearby national parks include San Francisco Maritime National Historical Park, Golden Gate National Recreation Area and Rosie the Riveter WWII Home Front National Historical Park. There are 4 parks within detour distance of this route.

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