The calculated distance (air line) between Hainburg an der Donau and Jakomini is approximately 103 miles respectively 165 kilometers.
By car or train, the actual journey to Jakomini is certainly longer, as only the direct route (as the crow flies) between Hainburg an der Donau and Jakomini has been calculated here.
Air line (approximately)
165 kilometers
89 nautical miles