I found more! Here are a few:

Stalinabad, 1929-1961 — Dushanbe, Tajikistan
Staliniri, 1934-1961 — Tskhinvali, Georgia
Stalino, 1924-1961 — Donetsk, Ukraine
Stalinogorsk, 1934-1961 — Novomoskovsk, Russia
Stalinsk, 1932-1961 — Novokuznetsk, Russia

Also:

Eisenhüttenstadt, East Germany - Stalinstadt
Chemnitz - Karl-Marx-Stadt
Danzig, East Prussia - Gdansk, Poland
Königsberg, East Prussia - Kaliningrad

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