After graduating from the Saint Petersburg Naval Corps in 1834, Pavel Pereleshin served as midshipman in the Baltic Fleet on frigate Neva, and was promoted to the rank of warrant officer in the Black Sea Fleet in 1837.

In 1839, he participated in the landing operation near Su-bashi (in modern Sochi), Caucasus, and was awarded the Order of St. Anna, 4th grade for courage.

He participated in the Crimean War and was awarded an Order of St.Vladimir for the Battle of Sinop in 1853 on board the battleship Paris.

The Russian admiral was decorated with all imperial Russian decorations and orders to the Order of St. Vladimir of the first degree inclusive, and in 1896 he was awarded with a memorable ring with the portrait of HM Alexander III of Russia.

Pereleshin died in Saint Petersburg on 28 February 1901, and was buried on 7 March 1901 in Sevastopol's Temple of St. Vladimir.