Chris Christie (R) said Monday he's leaving open the possibility of another presidential campaign in 2024 if he believes he can win the GOP nomination.

"Yeah, listen, why not? I’m 56 years old, so you have to see," the former New Jersey governor said on "The Hugh Hewitt Show."

"I would not do it if I couldn’t see a pathway to victory," Christie said. "I’m not someone who wants to do it just to go through the exercise. But if I saw a pathway to victory and a way to make a difference, I certainly would consider it."

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Christie, who ran for president in 2016 but dropped out after the New Hampshire primary, told the conservative commentator that while he hasn't ruled anything out, he doesn't envision himself running for Senate, and said he doesn't expect a GOP candidate to challenge President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE in 2020.

Marlyand Gov. Larry Hogan (R) and former Ohio Gov. John Kasich (R) are reportedly considering whether to mount a primary campaign against Trump.

Christie said Monday he would advise Hogan against running, noting the president's strong support within the party.

The former governor was more optimistic when asked about the chances of defeating Vice President Mike Pence Michael (Mike) Richard PenceGardner signals support for taking up Supreme Court nominee this year Biden leads Trump by 12 points among Catholic voters: poll GOP brushes back charges of hypocrisy in Supreme Court fight MORE in a hypothetical 2024 primary.

"I think it’s possible to beat anybody, especially when we’re talking about a time that’s so far off," Christie said. "We don’t know what the political climate’s going to be at that time. So you know, I don’t think there’s anybody who should be considered to be a prohibitive favorite back at that point, because we don’t know what the political world is going to look like then."

Christie has been on a media blitz in recent weeks to promote his new book, "Let Me Finish." The two-term governor reflected in the book on his time working on the Trump campaign, where he briefly chaired the president-elect's transition team before he was forced out.