[HGabor]

Well, this is a very tough question. We can list planes which landed at certain airfields (with eg. photo evidences), but in case of American planes it is hard to say if it was their "first" landing with their original crew, or with soviets.

The distance is not so big between Sombor and Pecs, so with full tanks bombers could fly back to Ukraine easily. I do not know, probably more research is needed. Anyway, here is my -probably incomplete- list of landings and crashes at, or near the Zombor and Pécs airfields.
Hope this helps a bit.

Gabor