The calculated distance (air line) between Jonava and Dainava (Kaunas) is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Dainava (Kaunas) is certainly longer, as only the direct route (as the crow flies) between Jonava and Dainava (Kaunas) has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles