The calculated distance (air line) between Cúcuta and San Antonio del Táchira is approximately 7 miles respectively 12 kilometers.
By car or train, the actual journey to San Antonio del Táchira is certainly longer, as only the direct route (as the crow flies) between Cúcuta and San Antonio del Táchira has been calculated here.
Air line (approximately)
12 kilometers
6 nautical miles