Radviliskis is a locality located 165.8 km southeast from Vilnius in Siauliai County, Lithuania. The population of Radviliskis is 15,154 people. Joniskis, Kedainiai, Kursenai are located close to Radviliskis. You can find Radviliskis on any map using the following decimal coordinates: 55.8 (latitude), 23.55 (longitude).