I know 4m is unlikely to be "open" as much as 10m, 8m or 6m, but there should be several Es openings into Europe. Using my transverter, this should allow me some 4m Es QSOs, especially with FT8.
See https://sites.google.com/view/g3xbm4/home/vhfuhfmicrowaves/homebrew/4m-transverter .