The calculated distance (air line) between Gŭlŭbovo and Veliko Tŭrnovo is approximately 66 miles respectively 107 kilometers.
By car or train, the actual journey to Veliko Tŭrnovo is certainly longer, as only the direct route (as the crow flies) between Gŭlŭbovo and Veliko Tŭrnovo has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles