There are
1,025 mi
from Deerfield Beach, FL to Herndon, VA
That's the driving distance. It would take 18 hours 56 mins to go from Deerfield Beach, Florida to Herndon, Virginia.
The flight distance (direct flight from Deerfield Beach, FL to Herndon, VA) is 888.13 mi.
1,025 mi = 1.61 kms