The calculated distance (air line) between Oryahovo and Veliko Tŭrnovo is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Veliko Tŭrnovo is certainly longer, as only the direct route (as the crow flies) between Oryahovo and Veliko Tŭrnovo has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles