The calculated distance (air line) between Katowice and Ostrowiec Świętokrzyski is approximately 113 miles respectively 182 kilometers.
By car or train, the actual journey to Ostrowiec Świętokrzyski is certainly longer, as only the direct route (as the crow flies) between Katowice and Ostrowiec Świętokrzyski has been calculated here.
Air line (approximately)
182 kilometers
98 nautical miles