Hi. I wonder if there are any connection between Rostov and Mariupol in Ukraine? Bus/Train?
The best option is to travel from other Russian cities to Kiev and then from Kiev to Mariupol. Travel by car is the risky matter because between Rostov on Don, Russia and Mariupol, Ukraine is self-proclaimed People Republic of Dontesk and you will have to cross the front line between Ukrainian Army including so-called voluntary battalions and Militia of Donetsk. Leave that idea. Travel safe.
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