(CNN) President Donald Trump said a second summit with North Korea's Kim Jong Un will likely take place in January or February.

"We're getting along very well," Trump told reporters aboard Air Force One during the return trip from the G20 summit in Buenos Aires, Argentina. "We have a good relationship with Kim."

The first Trump-Kim summit took place in June in Singapore but Trump has said the next meeting will probably take place at a new location.

The two countries are considering three sites for the potential summit, Trump said on Saturday, but he did not offer up details about where those sites were.

When asked if Kim would come to the US for a visit apart from the second summit, Trump said "at some point" he will.

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