The calculated distance (air line) between Dryanovo and Gorna Oryahovitsa is approximately 15 miles respectively 25 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Dryanovo and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles