If the Kremlin’s forces succeed in conquering major Donbas cities such as Severodonetsk in Luhansk Oblast or Kramatorsk in Donetsk Oblast, Russia could wind up controlling and possibly annexing territory east of a line running from Kharkiv in the north to Kherson in the south. If Russia can focus all its forces on the southern cities of Odesa and Mykolaiv, it could establish a corridor along the rim of the Black Sea that effectively turns Ukraine into a landlocked nation, tripling Russia’s Black Sea coastline to 600 kilometers.

 (the rest of the article is bullshit) = reference https://www.gisreportsonline.com/r/ukraine-russia-war/