The calculated distance (air line) between Gorna Oryahovitsa and Dimitrovgrad is approximately 75 miles respectively 120 kilometers.
By car or train, the actual journey to Dimitrovgrad is certainly longer, as only the direct route (as the crow flies) between Gorna Oryahovitsa and Dimitrovgrad has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles