The calculated distance (air line) between Radlje ob Dravi and Ajdovščina is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Ajdovščina is certainly longer, as only the direct route (as the crow flies) between Radlje ob Dravi and Ajdovščina has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles