The calculated distance (air line) between Kriva Palanka and Kisela Voda is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Kisela Voda is certainly longer, as only the direct route (as the crow flies) between Kriva Palanka and Kisela Voda has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles