The calculated distance (air line) between Gargždai and Naujoji Vilnia is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Naujoji Vilnia is certainly longer, as only the direct route (as the crow flies) between Gargždai and Naujoji Vilnia has been calculated here.
Air line (approximately)
279 kilometers
151 nautical miles