The calculated distance (air line) between Knezha and Gorna Oryahovitsa is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Knezha and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles