I just looked it up and flights from SF to athens and back are almost 35 hours. Add in a few hours at each airport, an hour to/from the airport on each side and

I just looked it up and flights from SF to athens and back are almost 35 hours. Add in a few hours at each airport, an hour to/from the airport on each side and you're talking 40-45 hours of door to door round trip transit. That's insane.