about 460 miles
The distance from Istanbul to Gumbet in Bodrum, Turkey is approximately 800kms.
The driving distance from Istanbul, Turkey to Bodrum, Turkey is about 487 miles / 784 km
433 miles
710km according to Varan Bus lines
Istanbul, Ankara, Bodrum, Izmir ... among others.
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Roughly about 1900 miles.
290 miles
Sofia - Istanbul 502 km (302 miles) Istanbul - Dalaman 472 km (393 miles) ------------------------------------ Total Road Distance from Sofia - Dalaman is 974 (say around 1000 kilometers) NB. Sofia is the capital of Bulgaria*
Bodrum, Turkey is an interesting place, indeed. The local airport is within 30 minutes of most of the hotels there. Check with your specific hotel. (The airport is about 35 km from Bodrum itself.)
It's difficult to be accurate because it depends from where in Istanbul which is a very large city and you have to rely on the information from the website you choose to calculate the distance. According to the website below (see related link) the approximate travel/road distance can be around 516 miles (from Istanbul airport).