Build one regional journey, not a list across the map
Türkiye is large enough that a first trip should connect two or three regions with a clear reason. Istanbul plus Cappadocia works for cities and landscape. Istanbul with Selçuk and Pamukkale gives an archaeological route. Antalya or Fethiye belongs in a coast-focused plan, not automatically at the end of every circuit.
Ten days can cover Istanbul, Cappadocia and the Ephesus corridor when flights and ground transfers line up. If the connections are awkward, remove a region rather than losing several days to airports and overnight roads. Ankara, Bursa and Edirne each work better as deliberate stops than as additions to an already full route.
Compare the complete journey
High-speed rail is excellent on selected corridors, particularly Istanbul to Ankara, but the exact station matters. Use TCDD Taşımacılık for the travel day. For flights, include the correct Istanbul airport, baggage, check-in and the transfer at the other end. For coaches, read the terminal printed on the ticket; large cities have more than one practical boarding area.
Within Istanbul, save the current Metro Istanbul network map. In smaller destinations, the final minibus or taxi from a station to the site can decide whether a route is useful.
Keep entry, currency and major activities separate
Use the Ministry of Foreign Affairs visa information for your passport and the official e-Visa service only when eligible. Pay attention to amounts in Turkish lira rather than building a trip around an old conversion.
Balloon flights, archaeological sites, airport transfers and long intercity tickets can each change the total sharply. The budgets below are ordinary-day planning examples. Replace them with complete quotes for the route you actually choose.