Istanbul Ulasim operates a bus from Istanbul to Gebze every 5 minutes. Tickets cost $2 and the journey takes 12 min. MetroTurizm also services this route hourly.
How to get from Istanbul to Kocaeli
From Aksaray Metro to Istanbul Otogari then bus to Gebze. 1 h 30 min 38 ₺. From Istanbul taxi to Gebze. 39 min 150 ₺. From Istanbul drive to Gebze. 39 min 33 ₺. From İstanbul rideshare to Gebze. 1 h 3 min 5 ₺.
How long does it take to get from Istanbul to Kocaeli?
It takes approximately 1 h 30 min to get from Istanbul to Kocaeli.