The calculated distance (air line) between Vilkaviskis and Klaipėda is approximately 104 miles respectively 168 kilometers.
By car or train, the actual journey to Klaipėda is certainly longer, as only the direct route (as the crow flies) between Vilkaviskis and Klaipėda has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles