The calculated distance (air line) between Skarżysko-Kamienna and Lublin is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Lublin is certainly longer, as only the direct route (as the crow flies) between Skarżysko-Kamienna and Lublin has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles