The calculated distance (air line) between Teteven and Gorna Oryahovitsa is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Teteven and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles