From: Karabük
To: İstanbul
Here is the list of companies with their web sites and phone numbers working between two cities. For ticket prices, route information and discounts you can contact the companies.
Bus firms working between Karabük and İstanbul
Ulusoy
www.ulusoy.com.tr
444 1 888
METRO Turizm
www.metroturizm.com.tr
444 34 55