The calculated distance (air line) between Mariánské Lázně and Mladá Boleslav is approximately 102 miles respectively 164 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Mariánské Lázně and Mladá Boleslav has been calculated here.
Air line (approximately)
164 kilometers
89 nautical miles