If that isn't an option, then you must create a query like this :
select A.ID, A.name,A.DEST1,B.description,A.DEST2,C.description,A.DEST3,D.description from Clients as A
join Destinations as B on A.DEST1 = B.DESTID
join Destinations as C on A.DEST2 = C.DESTID
join...