The calculated distance (air line) between Micheldorf in Oberösterreich and Mödling is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Mödling is certainly longer, as only the direct route (as the crow flies) between Micheldorf in Oberösterreich and Mödling has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles