The calculated distance (air line) between Kazlų Rūda and Naujininkai is approximately 72 miles respectively 116 kilometers.
By car or train, the actual journey to Naujininkai is certainly longer, as only the direct route (as the crow flies) between Kazlų Rūda and Naujininkai has been calculated here.
Air line (approximately)
116 kilometers
62 nautical miles