The calculated distance (air line) between Širvintos and Dainava (Kaunas) is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Dainava (Kaunas) is certainly longer, as only the direct route (as the crow flies) between Širvintos and Dainava (Kaunas) has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles