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Gas stations on Southbound US-101 before SFO exit

Hi,

What is the last exit I should take before SFO exit to fill up my rental car? This is going south on US-101.

Thanks

Hi! If you’re heading south on US-101 toward San Francisco International Airport (SFO) and need to fill up your rental car before returning it, it’s best to plan ahead because gas stations near the airport are limited and more expensive.

The general strategy is to fill up in the South San Francisco or Millbrae area before reaching the SFO exits. Here are your options:

  • Last convenient exits with gas stations before SFO:
    • Exit 422 – Grand Ave / South San Francisco: There are several gas stations just off this exit, including Chevron, Shell, and 76 stations.
    • Exit 421 – Millbrae Ave / Broadway: Another area with multiple options, including Shell and Chevron, only a few minutes before the airport exits.
    • Optional – Burlingame Ave / Broadway exits: If you want slightly more options, exits around Broadway in Burlingame have gas stations including Valero and Shell.

Tips:

  • Do not wait until you reach the airport exits; gas stations near SFO are sparse and often have long lines.
  • Check your rental car instructions for the recommended fuel type and fill-up procedures to avoid extra fees.
  • Consider using apps like GasBuddy to see live prices and availability in South San Francisco and Millbrae before your trip.

Summary: For southbound US-101, plan your last fuel stop at either the Grand Ave (Exit 422) or Millbrae Ave/Broadway (Exit 421) area, which are only a few minutes from the SFO airport exits.

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