Calculate route from Kastamonu (Kastamonu, Turkey) to Istanbul (Istanbul, Turkey).

The flight distance (as the crow flies) between Kastamonu and Istanbul is 405.5 km.

Roadmap (route) to go from Kastamonu to Istanbul detailed above, you can also see the course layout on the map.

While doing trip Kastamonu - Istanbul by car, the calculated route ends at a distance , or more straight.