The calculated distance (air line) between Simeonovgrad and Veliko Tŭrnovo is approximately 73 miles respectively 118 kilometers.
By car or train, the actual journey to Veliko Tŭrnovo is certainly longer, as only the direct route (as the crow flies) between Simeonovgrad and Veliko Tŭrnovo has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles