Synonyms for the phrase "in as many as" include "up to," "as much as," "as many as," "as extensive as," and "to the extent of." These phrases all emphasize the maximum or greatest possible amount or number of something. Additionally, similar expressions such as "as far as," "to the degree that," and "to the extent that" convey a similar idea of something being taken to its ultimate extent. It's important to note that these phrases often convey a sense of astonishment or surprise at the extent of something, and can be used to emphasize the rarity or uniqueness of the situation.