The calculated distance (air line) between Svitlovodsk and Reshetylivka is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Reshetylivka is certainly longer, as only the direct route (as the crow flies) between Svitlovodsk and Reshetylivka has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles