Wow, that's real science at work...
Sorting by the relevant column (I don't own a private jet):
LHR 249:44 // London
FRA 255:22 // Frankfurt
SFO 282:04 // San Francisco
FCO 283:04 // Rome
SVO 287:14 // Moscow
ATL 297:28 // Atlanta
BOS 297:38 // Boston
NRT 314:38 // Tokyo
TLV 334:22 // Israel
DXB 344:34 // Dubai
ANC 345:54 // Anchorage
HKG 359:22 // Hong Kong
BLR 448:24 // Bangalore
GIG 488:32 // Rio de Janeiro
JNB 498:22 // Johannesburg
EZE 522:56 // Buenos Aires
MEL 556:04 // Melbourne
AKL 569:04 // Auckland
I'll use this list when planning my next relocation :-)
Of course, this doesn't include time-to-airport, so you can immediately
discount London.
It's clear that you want to live in or near Frankfurt.
San Francisco, Rome, and Moscow (!) come in as a second cluster.
The fact that both SFO and SVO are in there (and Tokyo, Boston aren't half bad
either) shows that we are getting close to properly covering the belt between
~30°N (Taipei @ 25°N) and ~50°N (the Stockholm IETF being the northernmost
recent exception, I think). It gets very thin to the south of that...
Grüße, Carsten