.22 LR vs .300 WSM
A to-scale size comparison of the .22 LR and the .300 WSM, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.22 LR (left) beside .300 WSM (right), shown at the same scale.
The .22 LR has an overall length of about 0.98″ with a 0.224″ bullet. The .300 WSM runs about 2.86″ on a 0.309″ bullet. That makes the .300 WSM about 2.9x the overall length of the .22 LR. See the full reference for each: .22 LR and .300 WSM.