Ohio: McCain 636,256 Romney 460,831 Trump 727,832 (Trump by 14% over McCain)
Illinois: McCain 426,777 Romney 435,859 Trump 548,528 (Trump by 26% over Romney)
Florida: McCain 701,761 Romney 776,159 Trump 1,075,094 (Trump by 39% over Romney)
Missouri: McCain 194,145 Romney 63,882 Trump 382,093 (Trump by 97% over McCain)
North Carolina: McCain 383,085 Romney 638,601 (both were May cleanup primaries by the defacto nominees), Trump 458,151
Overall Trump by 39%: McCain 2.34 million Romney 2.37 million Trump 3.2 million