The calculated distance (air line) between Nesebar and Gorna Oryahovitsa is approximately 108 miles respectively 174 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Nesebar and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles