There are few other options besides our service for getting your passport in Ephrata quickly (at least less than 3 weeks), the closest regional passport issuing facility to Ephrata is the Philadelphia Passport Agency.
Zion National Park is located on State Route 9 in Springdale, Utah. All mileages below represent the distance from the Zion Canyon Visitor Center. From Las Vegas, Nevada (163 miles), Mesquite, Nevada (80 miles), and Saint George, Utah (40 miles):
Zion National Park is only 168 miles from Las Vegas and you drive through a few canyons carved out by the Virgin River. Once you get to Zion National Park you can park your vehicle and enjoy the ride on the free shuttles provided by the National Park Service.