.224 Valkyrie vs .30-378 Weatherby
A to-scale size comparison of the .224 Valkyrie and the .30-378 Weatherby, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
.224 Valkyrie (left) beside .30-378 Weatherby (right), shown at the same scale.
The .224 Valkyrie has an overall length of about 2.26″ with a 0.225″ bullet. The .30-378 Weatherby runs about 3.75″ on a 0.308″ bullet. That makes the .30-378 Weatherby about 1.7x the overall length of the .224 Valkyrie. See the full reference for each: .224 Valkyrie and .30-378 Weatherby.