The calculated distance (air line) between Micheldorf in Oberösterreich and Eggenberg is approximately 81 miles respectively 131 kilometers.
By car or train, the actual journey to Eggenberg is certainly longer, as only the direct route (as the crow flies) between Micheldorf in Oberösterreich and Eggenberg has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles