The largest mountain range in the United States is the Rocky Mountains. This mountain range is 3,000 miles long, starting from British Columbia in Canada and extending south into New Mexico. The Rocky Mountains also form the world's second longest mountain range. Continue Reading.
View All Photos (11) Olivia Newton-John is currently married to John Easterling. She has been in four celebrity relationships averaging approximately 7.3 years each. Her two marriages have averaged 9.4 years each. Given Name: Olivia Newton-John.
Jeff Conaway had a crush on Olivia Newton John during the filming of Grease. He didn't have any kind of a relationship with her, although he did have a fling with Debra Buckner (Patty Simcox) during the production. And years later he did marry Rona, Olivia Newton John's sister.