You can use https://www.jewishgen.org/Communities/LocRad.asp
to search for towns within a certain radius of any other town.
To do this search you will use the coordinates for the initial town (found at:
You can limit the search to towns beginning with any letter.
Information about, and coordinates for, Sighetu, can be found here:
Sighetu Marmaţiei, Romania
Alternate names: Sighetu Marmaţiei [Rom], Máramarossziget [Hun], Siget [Yid], Maramureschsigeth [Ger], Sygiet Marmaroski [Pol], Maramaros Sighet, Marmaroš Sihot, Sighet, Sigut, Sihat, Sziget, Syhot Marmaroski, Sighetul-Marmaţiei
András suggested that Brezov = Nyirjes. The JewishGen Gazeteer finds four locations with that name: https://www.jewishgen.org/databases/gazetteer/gazetteer.php
Hope this helps,