Wiktionary
in the ballpark
a. (context figuratively English) In the same general vicinity (as); somewhat similar (to); typically construed with of.
Usage examples of "in the ballpark".
If we helped him look for several wrecks he had yet to discover, he'd use his findings to put us in the ballpark of U-20.
This whole deal was now in the ballpark of double-dare, and childish as it might be, I was not going to walk away from the challenge.
Long ways from Dallaslong ways from Texarkana, for that matter, but it's in the ballpark, at least.