The calculated distance (air line) between Gorna Oryahovitsa and Svishtov is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Svishtov is certainly longer, as only the direct route (as the crow flies) between Gorna Oryahovitsa and Svishtov has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles