You would get about 47000+ status and 53000+ destination miles, if it is with NZ.

Careful, because some of these RTWs use Virgin for some legs, which would not accrue any status miles.

From a standing start it would get you BD*S and requalify for a second year, but leave you a few K shy of BD*G.

You would guarantee yourself the most miles if you do stopovers in HKG and LAX else DC may just give you the direct LHR-AKL mileage.