The calculated distance (air line) between Sajószentpéter and Kecskemét is approximately 102 miles respectively 165 kilometers.
By car or train, the actual journey to Kecskemét is certainly longer, as only the direct route (as the crow flies) between Sajószentpéter and Kecskemét has been calculated here.
Air line (approximately)
165 kilometers
89 nautical miles