Originally Posted by
RJ1H
I asked the embassy (no response yet) as well as SVO itself where I got this response:
Dear passenger!
Thank You for visiting our website!
You do not need visa to stay in the airport during layover. Sheremetyevo International Airport has special transit zone where You can stay between Your flights.
Have a nice flight!
С уважением,
Лякишев Павел
Служба информации
Международный аэропорт Шереметьево
Ive had numerous friends (all US citizens) transiting, some a couple of hours others much longer. As long as you dont have to change airports you should be good to go. Otherwise at least for a US Citizen a visa would be needed. Dont know what a Swiss person will need