They are an unusual sight.
Mr Steve Wescott, 34, of Seattle on the US West Coast, and his goat named LeeRoy Brown are on their way to Times Square in New York City, which is on the East Coast.
Their mission on this 4,800km-long journey, which began in May last year, is to raise money for a orphanage in Kenya.
He hopes to raise US$200,000 (S$253,000) and help start a farm so the kids and their families are self-sufficient, Kansas City TV reported.
"He's (the goat) the reason anybody talks to me and I'm okay with that," Mr Wescott told the TV station when he was in Kansas City.
Mr Wescott and a friend are teaching and caring for 34 children at the orphanage.
His original plan was to make the trip with his rottweiller, Louie, but it injured itself before the journey. So Mr Wescott adopted LeeRoy Brown from a animal-rescue centre and brought it along for the epic walk instead.
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