The calculated distance (air line) between Topolovgrad and Gorna Oryahovitsa is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Topolovgrad and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles