England to Istanbul

Hi, I'm currently planning a trip from England to Istanbul. I plan to leave the UK around April to May 2020. My starting point will technically be from Amsterdam as I'll be leaving Newcastle by ferry. I have some experience of cycling and camping the UK but this will be my longest tour. I'm currently in planning stage but any help or anyone wishing to join part or all the way is very much welcome. There is no hurry to complete this journey and I may even look to travel further. I know there isn't a lot of specifics right now as i m flexible with dates and sleeping arrangements, camping, hostels ect, but planning with like minded people is more fun right?