There are
2,886 mi
from San Francisco, CA to Collingswood, NJ
That's the driving distance. It would take 2 days 2 hours to go from San Francisco, California to Collingswood, New Jersey.
The flight distance (direct flight from San Francisco, CA to Collingswood, NJ) is 2,522.14 mi.
2,886 mi = 3.22 kms