It can be done per Boeing where they compare the current against the 747-8 and reference the distances of Tokyo [-2] and Hong Kong [-8] rolling at M.84
Crude math has it at 6.8 MPG! [53,611 G / 7800 SM] Take a look at the attached data sheets on the GE CF6 as Boeing says the planes have the -80C2B1 variant.
Funny thing is that they are getting more fuel range than your average fire truck! [How Long Do Fire Trucks Last? | Emergent]
DCA to LLBG [Ben Gurion] is 5118 NM
Boeing Fact Sheet
Air Force One
From Presidents Roosevelt to Biden, Boeing airplanes have transported U.S. presidents around the world.www.boeing.com
DCA to NRT [Tokyo] per the Boeing FS
AF1 coming across Spain getting ready to enter the Med while the spare is over England
ADS-B Exchange - track aircraft live
ADS-B Exchange - track aircraft live - aircraft flight history

ADS-B Exchange - track aircraft live
ADS-B Exchange - track aircraft live - aircraft flight history
