You’ve got 3 routes to Moscow.
1. Manchuria>Buryatia>Yakut>Novosibirsk>Moscow
2. Manchuria>China>Sinkiang>Novosibirsk>Moscow
3. Japan>FIC>India>Persia>Kazakh>Moscow
That of course assumes a build of 1 IC in Manchuria which is the safest (notice safe, not necessarily wise) place to build one.