Russia's biggest domestic airline is located how many km north of Chelyabinsk?
S7 Airlines S7 Airlines, legally PJSC Siberia Airlines (Russian: ПАО «Авиакомпания "Сибирь"» "PАО Aviakompania Sibir"), is an airline headquartered in Ob, Novosibirsk Oblast, Russia, with offices in Moscow. As of 2008, it was Russia's biggest domestic airline. Its main bases are Domodedovo International Airport and Tolmachevo Airport.
Koryak Air Enterprise Koryak Air Enterprise was a Russian passenger and cargo airline based in Kamchatka, Russia. From 2006 it was government subsidised. It merged with Petropavlovsk-Kamchatsky Air Enterprise in 2010.