The calculated distance (air line) between Kraków and Ostrowiec Świętokrzyski is approximately 87 miles respectively 141 kilometers.
By car or train, the actual journey to Ostrowiec Świętokrzyski is certainly longer, as only the direct route (as the crow flies) between Kraków and Ostrowiec Świętokrzyski has been calculated here.
Air line (approximately)
141 kilometers
76 nautical miles