By Air: The closest airport to Dayahatyn Caravanserai is the Mary International Airport. From the airport, you can hire a taxi or arrange a private transfer to reach the Dayahatyn Caravanserai.
By Road: The Dayahatyn Caravanserai is located in a remote area, and reaching it by road would generally involve a combination of public transportation and private hire. There are buses and shared taxis that travel from Mary city towards smaller towns and villages closer to the site. From there, it's recommended to hire a private vehicle to reach the actual location of the caravanserai.
By Rail: Mary is also connected by Turkmenistan's railway network. Once you arrive in Mary by train, you will again need to rely on road transportation (taxis or private hire) to reach the caravanserai.
It's important to note that local guidance or a tour guide may be beneficial when attempting to visit historical sites in this region due to potential language barriers and the relative obscurity of some locations.
Before planning your visit, check travel advisories and local regulations, as Turkmenistan has specific visa and travel requirements for international visitors. In some cases, you may be required to arrange a guided tour through a registered tour operator to gain access to certain historical sites.