There are
2,686 mi
from Santee, CA to Greenbelt, MD
That's the driving distance. It would take 1 day 23 hours to go from Santee, California to Greenbelt, Maryland.
The flight distance (direct flight from Santee, CA to Greenbelt, MD) is 2,265.01 mi.
2,686 mi = 4,322.74 kms