Museum Sukarno is 0.5 mi (0.8 km) from central Blitar, why not stop by during your stay. If you want to experience more of the culture Blitar has to offer, head to Makam Bung Karno, Blitar Square, and Pasar Legi.
If museums are on your list of things to see in Blitar, then you might want to head to Bung Karno Museum and Library. If you want to see more of the museums in Blitar, Museum Sukarno isn't far either.