Bildiğim kadarıyla, o iyi bir adam.
- He is, so far as I know, a good guy.
Bildiğim kadarıyla, o hâlâ bekâr.
- So far as I know, she is still unmarried.
insofar as (or that), to the extent that, to such an extent.
... as far as 60 miles a day, ...
... an opportunity for all lets us go as far as our dreams and toil will take us ...