Istanbul and Ankara are the two major international gateways of Turkey with regular flight connections to Europe, Middle East, and USA. Istanbul being a major tourism destination in the world, receives plenty of flights from all the major international airports all over the world. Many low cost Middle Eastern and European flights also offer direct connections to Istanbul and other airports inside Turkey.
You can use daily bus services from Bucharest to reach Istanbul apart from cities like Sofia, Thessaloniki, Athens and Constanta.
There are direct train connections to Budapest (Hungary), Bucharest (Romania), Sofia (Bulgaria) and Thessaloniki (Greece).
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