The calculated distance (air line) between Radviliskis and Naujoji Vilnia is approximately 107 miles respectively 173 kilometers.
By car or train, the actual journey to Naujoji Vilnia is certainly longer, as only the direct route (as the crow flies) between Radviliskis and Naujoji Vilnia has been calculated here.
Air line (approximately)
173 kilometers
93 nautical miles