hi again,
This is my first route advise. I highly reccomend this route for you. You find beautiful landscapes, mountains, forests, rivers and lakes. This is real nature my friend. Also the reagaon is almost the same as Alps.
You can add to your route;
Bolu, Yedigöller, 7 Lakes National Park
Safranbolu Town (You must stay here too.)
Amasya (You must stay here also)
Trabzon (Sumela Monastery)
Rize for the best fish
Artvin for the nature.
Also i want to add that you will be shocked with local people's hospitable manner.
https://goo.gl/maps/qb451xP8hvB2
My second route advise is Eagean and Mediterrian Cost.
You also find here surf sites.
https://goo.gl/maps/6Kza3e7Bgtj
İstanbul You must visit
You can ride directly to Çeşme 600 km more-less.
Alaçatı for your surf sport. My wife loves surfing but i can not.

Selçuk (Old Greek ancient Ephesus City)
Pamukkale in Denizli City White Stones. You should ride there...
Bodrum For crazy night life


Marmaris (green and Blue)

Datça (Just for camping and have a rest
Kamping Alanı - Aktur (With my my wife we stayed here for 1 week and it has been our best holiday ever...

Fethiye Ölüdeniz The best sea in my country. Also you should try tandem paragliding here.
You should ride all the cost to Nevşehir for Peribacaları. You must stay atleast 2 days in a cave hotel or find a camping site to stay. You should try big baloon tour and watch imazing sunrise from the top... Google it

Then Dogubeyazit, It's beautiful little town.
If you need further information for detailed road plan i can help you my friend. I live in Istanbul i can give my phone number to you for any emergancy.
Then Iran...
Hope it helps...