Worthing reached the fourth qualifying round with a 3-2 victory at Moneyfields on Saturday. They had also been on the road in the previous two rounds and progressed with wins over Faversham (3-1) and Chelmsford (2-1).
Ebbsfleet are 15th in the National League table, with 18 points from their 15 matches this season. They are managed by Daryl McMahon, whose assistant is former Charlton and Brighton boss Steve Gritt.
The match with Ebbsfleet United will take place on Saturday 20th October at The Kuflink Stadium.