Since Permalinks that contain Cyrillic may cause problems on some server setups, this plugin will work around this problem by updating the automatic Post Slug generation code. In this way, posts which have a title in Cyrillic will have permlinks transliterated in Latin characters.

Cyr2Lat Slugs

Converts Cyrillic letters in post slugs to human-readable Latin phonetic equivalent.

dlesendric

Cyrillic to latin only transform _rs_RS files, don’t use this plugin if you want to use both translation, for this you have different types of plugins. 
Use this plugin only with Serbian language, because i’t won’t work with others. 
Transform any cyrillic translation of wordpress language file. It can transform themes, admin’s and woocommerce translation files.

Cyrillic To Latin

Cyrillic To Latin is a plugin for transforming Serbian Cyrillic .po files into Latin .po files.

Cyr2Lat Slugs vs Cyrillic To Latin