The calculated distance (air line) between Horodnic de Sus and Cornu Luncii is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Cornu Luncii is certainly longer, as only the direct route (as the crow flies) between Horodnic de Sus and Cornu Luncii has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles