The 40-year-old country star revealed on Thursday's episode of "Jimmy Kimmel Live!" that he and Stefani enjoy taking to the skies in his private helicopter.
"Yes, I have a helicopter," Shelton confirmed. "[Gwen and I] do [go up on dates]. We use that thing a lot. It gets a lot more use than you would think."
"I don't fly it. I don't know how to fly, so we use somebody else," he qualified before joking, "Because in order to fly it, you need to be drinking, I think, in order to be able to settle in and really enjoy it, you gotta have some drinks, and everybody knows you shouldn't fly and drink."
"The Voice" coach keeps his helicopter at his ranch in Tishomingo, Okla., but spends much of his time with Stefani in Los Angeles.
He admitted to Kimmel that he's still adjusting to the city's infamously heavy traffic.
"Well, my girlfriend lives here, so that makes it a lot more appealing," the star said of Stefani.
"But the fact remains that the house is about two miles from here and it took three hours to get here, so that sucks for anybody."
Shelton and Stefani confirmed their relationship in November 2015 after splitting from their respective spouses, Miranda Lambert and Gavin Rossdale, earlier that year.
The country star couldn't help but gush about Stefani on "The Ellen DeGeneres Show" this month.
"I love talking about Gwen," he told DeGeneres. "It's been just an eye-opener to be with somebody like her."
"She's literally maybe the most normal person I have ever met in my life," the singer said.
"It's been good for me to be with somebody that's so grounded and a good human being with a great heart."
Shelton, Stefani and her three sons, Kingston, Zuma and Apollo, escaped Los Angeles for Lake Arrowhead, Calif., over the past weekend.
The fivesome were spotted strolling and dining out at the popular vacation destination.
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