During Monday's Trump rally at the Youngstown-Warren Regional Airport in Vienna, Ohio, Trump poked fun at Christie while he criticized Kasich for spending more time in New Hampshire than in Ohio.
"Your governor is absentee," Trump said. "Your governor Kasich, if you look at him, and I'm being totally impartial, he goes to New Hampshire. He's living in New Hampshire. Living. Where's Chris? Is Chris around? Even more than Chris Christie, he was there."
"Right? Even more," Trump said as he pointed off-stage. "I hated to do that but I had to make my point."
Both Kasich and Christie have been criticized for spending too much time campaigning in New Hampshire while still holding elected office. Trump won the New Hampshire primary, which resulted in Christie suspending his presidential campaign.
Ohio will offer 66 delegates to the winner of Tuesday's primary in a winner-take-all scenario. Florida, Illinois, Missouri and North Carolina are also holding primaries Tuesday.
"Kasich cannot make America great again, can't do it, can't do it," Trump said. "Your governor is totally overrated, he hasn't done a thing."