Mark Zuckerberg's Jet @zuckjet.grndcntrl.net · 19d Mark Zuckerberg's G700 Landed in London, Essex, England, United Kingdom. Apx. flt. time 17 min. 4 likes 1 replies ? Reply Replies Mark Zuckerberg's Jet · 19d ~ 111 gallons (419 liters). ~ 742 lbs (337 kg) of jet fuel used. ~ $754 cost of fuel. ~ 1 tons of CO2 emissions.