The calculated distance (air line) between Hisarya and Veliko Tŭrnovo is approximately 62 miles respectively 100 kilometers.
By car or train, the actual journey to Veliko Tŭrnovo is certainly longer, as only the direct route (as the crow flies) between Hisarya and Veliko Tŭrnovo has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles