Not the King Airs I have flown. Even with the BlackHawk engine upgrades. Although granted I might be thinking of the 90.
Mid 250's seems to come to mind. And the offer was to give an idea of speeds which I am sure you would agree 220KTAS is closer then the 100kts spamcan trainers he is used to?
90 - Max speed 450km/h (243kt), max cruising speed 435km/h (235kt). Initial rate of climb 1900ft/min. Range with reserves 2520km (1360nm).
B100 - Max speed 491km/h (265kt). Initial rate of climb 2140ft/min. Range at max cruising speed 2343km (1264nm), at economical cruising speed 2455km (1325nm).
C90B - Max cruising speed 457km/h (247kt). Range at economical cruising speed at 24,000ft 2375km (1282nm).
200 - Max speed 536km/h (289kt), max cruising speed 515km/h (278kt). Initial rate of climb 2450ft/min. Range with reserves at max cruising speed 3254km (1757nm), at economical cruising speed 3495km (1887nm). B200 - Max speed 536km/h (289kt), economical cruising speed 523km/h (282kt). Initial rate of climb 2450ft/min. Range with max fuel and reserves 3658km (1974nm