You'll see references to bore center distance, bore pitch, cylinder to cylinder on-center distance etc.
This is the major factor that separates engines into families (not deck height) because it governs which head, cam, and crank fits what, and suggests what cross-brand conversion may be possible (such as SBC V8 head on Chevy L6).
Chrysler has used quite a few (* some now extinct). Here they are, in size order:
4.090" Jeep & Dodge truck 4.7 liter OHC
4.1875" Dodge Red Ram hemi & poly (also Plymouth & DeSoto poly)*
4.3125" DeSoto Firedome hemi*
4.460" A, LA, Magnum, Gen-3 hemi
4.5625" Chrysler Firepower hemi & poly*
4.800" B, RB, Gen-3 hemi