Lahti is a locality located 97.77 km south-southwest from Helsinki in Paijanne Tavastia, Finland. The population of Lahti is 119,573 people. Hameenlinna, Heinola, Hyvinkaa are located close to Lahti. You can find Lahti on any map using the following decimal coordinates: 60.9804 (latitude), 25.655 (longitude).