The calculated distance (air line) between Devin and Gorna Oryahovitsa is approximately 116 miles respectively 187 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Devin and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
187 kilometers
101 nautical miles