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.
Ukrainka (air base) Ukrainka (also known as Ookrainka and Seryshevo) is one of Russia's largest strategic Long Range Aviation bases in the Russian Far East. Located in Amur Oblast, Russia, 28 km north of Belogorsk, and 8km north of the town of Seryshevo, it is a major nuclear bomber base, with large tarmacs and nearly 40 revetments.