The calculated distance (air line) between Piešťany and Vranov nad Topľou is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Vranov nad Topľou is certainly longer, as only the direct route (as the crow flies) between Piešťany and Vranov nad Topľou has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles