The calculated distance (air line) between Náměšť nad Oslavou and Jihlava is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Jihlava is certainly longer, as only the direct route (as the crow flies) between Náměšť nad Oslavou and Jihlava has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles