How Long Is the Drive from San Francisco to San Mateo?
The drive from San Francisco to San Mateo takes approximately 30 min, covering 22 miles via I-5. Under normal conditions, expect to spend around $2 on gas.
Travel time can vary — during rush hour or bad weather, the journey may take 45–51 minutes. For the fastest trip, avoid peak commute hours.
Traffic Estimate
🟢 Light traffic
26 min
🔵 Typical
30 min
🔴 Heavy traffic
44 min
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance22 miles (35 km)
Drive Time30 min
RouteI-5
Best TimeWeekday mid-day
Fuel Costs
Gas (30 mpg)~0.7 gallons
Est. Cost$2
Best Time to Drive from San Francisco to San Mateo
For this shorter drive, the best time to go is weekday mid-day. Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
🟢 Best:Weekday mid-day
🔴 Avoid:Rush hour (4-7 PM)
Route Tips: I-5
The main West Coast highway. Heavy traffic near LA, San Francisco, and Seattle. Scenic stretches through Oregon and Northern California.
This trip can typically be done on a single tank of gas.
Frequently Asked Questions
How long does it take to drive from San Francisco to San Mateo?
The drive from San Francisco to San Mateo takes approximately 30 min covering 22 miles via I-5. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for San Francisco to San Mateo?
At 30 MPG and $3.50/gallon, expect to spend approximately $2 on gas for this 22-mile trip. You'll need about 0.7 gallons of fuel.
What is the best time to drive from San Francisco to San Mateo?
Weekday mid-day to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the San Francisco to San Mateo route?
This route is primarily toll-free, though some bridges or tunnels may have small fees.
