The Battle of Salla was fought between Finnish and Soviet troops near Salla in northern Finland during the Winter War. The Soviets had orders to advance through Salla to Kemijärvi and Sodankylä, and from there to Rovaniemi in just two weeks. From there they were to advance to Tornio and cut Finland in two. The Finnish troops managed to stop the Soviet advance just east of Kemijärvi. During the last days of February 1940 the Finnish troops were replaced with the Swedish, Norwegian and Danish volunteers of the Stridsgruppen SFK.

The Battle of Petsamo was fought between Finnish and Soviet troops in the area of Petsamo in the far north of Finland in 1939 and 1940. The Finnish troops were greatly outnumbered but managed to contain the Soviet troops due to the extreme terrain, weather and leadership.