American Express Membership Rewards - Which amex partner goes to LED(st petersburg)

I am looking for which partner i can transfer my points to that either goes from

London-St petersburg
or
London-Dushanbe, Tajikistan


anyone help?
thanks!

also to almaty kazakhistan

basically i have miels enoughand my final destination is tajikistan, but i am finding no luck finding a full route that leaves london any time sunday and arrives in dushanbe at the latest 4 pm the next day.

so i am trying to get creative

it seems the russian option is too difficult with the visa needed

but i might be able to secure the kazakhi one fast

any options or help on how i get from london to tajikistan on sunday june 17th, i have the miles for it

TK1980 LHR-IST 11:25 - 17:15
-OR-
TK1982 LGW-IST 10:55 - 16:55

-THEN-
TK 254 IST-DYU 21:10 - 03:45

Turkish Airlines is a member of Star Alliance, redeem through AC, NH or SQ