The calculated distance (air line) between Simitli and Gorna Oryahovitsa is approximately 157 miles respectively 253 kilometers.
By car or train, the actual journey to Gorna Oryahovitsa is certainly longer, as only the direct route (as the crow flies) between Simitli and Gorna Oryahovitsa has been calculated here.
Air line (approximately)
253 kilometers
137 nautical miles