Which of these countries does not border Finland?

Ukraine is the country that does not border Finland.

Finland is a Nordic country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east. The capital and largest city is Helsinki. Other major cities are Espoo, Vantaa, Tampere, Oulu and Turku.

Ukraine is a country in Eastern Europe. It is bordered by Russia to the north-east; Belarus to the north; Poland, Slovakia and Hungary to the west; and Romania, Moldova, and the Black Sea to the south. Ukraine is currently in a territorial dispute with Russia over the Crimean Peninsula, which Russia annexed in 2014. Including Crimea. Ukraine has a population of about 42 million, making it the 32nd most populous country in the world. Its capital and largest city is Kiev. Ukrainian is the official language and its alphabet is Cyrillic. The dominant religion in the country is Eastern Orthodoxy.