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.
Noyabrsk Noyabrsk (Russian: Ноя́брьск ; ] ) is the largest city in Yamalo-Nenets Autonomous Okrug, Russia, located in the middle of the West Siberian oil fields, on the Tyumen–Novy Urengoy railway about 300 km north of Surgut. Population:  (2010 Census)