Is there a direct flight?

No, all flights from SFO to BWI require a connection.

How long is the flight?

Total travel time is about 8 hours.

What is the best highway?

I-70 is the primary route into Baltimore.

Is Baltimore walkable?

The Inner Harbor is very walkable.

Amtrak serves Baltimore via the Northeast Corridor.

Greenbrae

Baltimore

Flight Driving

Greenbrae to Baltimore

Updated: 30 May 2026

The journey from Greenbrae to Baltimore spans over 4,500 kilometers. Flying from SFO to Baltimore/Washington International Thurgood Marshall Airport (BWI) is the most practical method, usually involving a connection in a major hub. Driving is a massive cross-country trip via I-80 and I-70. This route takes you across the entire width of the United States, from the Pacific to the Atlantic coast.

Total Distance: Driving distance 4,500 km, air distance 3,900 km.

Fastest Way

Flight from SFO to BWI.

Cheapest Way

Flight booked in advance.

Compare Greenbrae to Baltimore Routes

	Flight Connecting	Driving Direct
Duration	8 hours	42 hours
Avg Price	$450 - $800	$700 - $1100 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SFO to BWI via DEN or MDW.	I-80 East to I-70 East.
Tip	BWI is a major hub for Southwest.	Plan for at least 5 days of driving.