Where is Petrovsk?

Porech’ye-Rybnoye11.9 km · 7.4 mi → Ishnya20.8 km · 12.9 mi → Rostov21.9 km · 13.6 mi → Rostovskiy Rayon22.3 km · 13.8 mi → Borisoglebskiy28.5 km · 17.7 mi → Semibratovo36.5 km · 22.7 mi → Pereslavl’-Zalesskiy39.2 km · 24.4 mi → Pereslavskiy Rayon39.2 km · 24.4 mi → Borisoglebskiy Rayon39.4 km · 24.5 mi → Gavrilov-Yamskiy Rayon46.1 km · 28.7 mi → Gavrilov-Yam47.9 km · 29.7 mi → Berendeyevo48.0 km · 29.8 mi →

Berendeyevo56.60078, 39.02173 → Bol’shesel’skiy Rayon57.66667, 39.00000 → Bol’shoye Selo57.71774, 38.93341 → Borisoglebskiy57.25860, 39.15080 → Borisoglebskiy Rayon57.33333, 39.00000 → Borok58.06532, 38.23620 →