The calculated distance (air line) between Kazlų Rūda and Šilainiai is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Šilainiai is certainly longer, as only the direct route (as the crow flies) between Kazlų Rūda and Šilainiai has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles