The calculated distance (air line) between Svitlovodsk and Horishni Plavni is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Horishni Plavni is certainly longer, as only the direct route (as the crow flies) between Svitlovodsk and Horishni Plavni has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles