The Saint Petersburg–Hiitola railway is a 170-kilometer (110 mi) long railway with 1,520 mm (4 ft 11 27⁄32 in) broad gauge located in St. Petersburg, Leningrad Oblast (Karelian Isthmus) and Republic of Karelia, which links Finlyandsky Rail Terminal to Khiytola (Finnish: Hiitola) through Devyatkino, Vaskelovo, Sosnovo, Priozersk and Kuznechnoye. Originally built by Finnish State Railways in the Grand Duchy of Finland, the railway was part of a trunk line from Vaasa by the Gulf of Botnia to St. Petersburg. In the 1940 Moscow Peace Treaty the territory was ceded by Finland to the Soviet Union. The railroad is now operated by the Russian Railways. The railroad is used by passenger trains between St. Petersburg and Sortavala. The track between Khiytola and Sortavala is a part of the Vyborg–Joensuu railroad completed in 1894.
As the Russian part of the Riihimäki–Saint Petersburg railway is planned to be renovated to handle high-speed international trains operated by Karelian Trains and to be used exclusively for passenger traffic, so the cargo traffic between Finland and Russia—mostly lumber, granite rubble and oil—is expected to be switched to the Saint Petersburg–Hiitola railroad. This would make the railway a part of the Northern East-West Freight Corridor.