There are
1,771 mi
from Laredo, TX to Greenbelt, MD
That's the driving distance. It would take 1 day 7 hours to go from Laredo, Texas to Greenbelt, Maryland.
The flight distance (direct flight from Laredo, TX to Greenbelt, MD) is 1,523.52 mi.
1,771 mi = 1.61 kms