Originally Posted by
MaxVO
Just get a regular visa for Belarus. All those gymnastics will cost you more than a visa, and it will have no restrictions of the free visa for trains or ports of entry/exit.
There are multiple reports of third country nationals taken off trains with or without visas and while Belarus is negotiating with Russia, no agreement has been reached. The OP may or may not be lucky. A flight to Vilnius or Riga costs less than $100 and, if you ask me, it is money well spent