Miles between San Marcos, CA and Key West, FL

There are
2,825 mi
from San Marcos, CA to Key West, FL

That's the driving distance. It would take 2 days 2 hours to go from San Marcos, California to Key West, Florida.

The flight distance (direct flight from San Marcos, CA to Key West, FL) is 2,210.44 mi.

2,825 mi = 3.22 kms