Before belting out another tune behind the wheel, Gayle gases up the Chevy Impala for another day of song.
Oprah Radio' host Gayle King talks to Harpo staff who helped produce 'Oprah and Gayle's Big Adventure' for 'The Oprah Show.'
Find out more about the discoveries Oprah and Gayle made along the way on their big road trip adventure.
Look back on Oprah and Gayle's big adventure across the country!
Show producer Jack Mori gives the inside scoop on life on the road and keeping up with Oprah and Gayle on the Interstate.