Kathleen Aerts has a Bacon number of 4.

Kathleen Aerts
was in
K3 & Het IJsprinsesje
with
Peter Faber
was in
Heading for England
with
Thomas Acda
was in
March of the Penguins 2: The Next Step
with
Morgan Freeman
was in
Clint Eastwood: A Cinematic Legacy
with
Kevin Bacon