The calculated distance (air line) between Hajdúböszörmény and Kecskemét is approximately 100 miles respectively 162 kilometers.
By car or train, the actual journey to Kecskemét is certainly longer, as only the direct route (as the crow flies) between Hajdúböszörmény and Kecskemét has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles