The calculated distance (air line) between Tvarditsa and Gorna Oryahovitsa is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Tvarditsa and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles