The calculated distance (air line) between Großzschocher and Horní Slavkov is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Horní Slavkov is certainly longer, as only the direct route (as the crow flies) between Großzschocher and Horní Slavkov has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles