The driving distance between St George, UT and West Yellowstone, MT is 620 miles and takes approximately 10 hours and 11 minutes.
286.6
Provo, Utah is about nine hours into a sixteen hour drive, traffic and weather conditions permitting.
cedar city ,Utah
The driving distance between Ogden, Utah and Helena, Montana is 448 mi - about 6 hours 8 mins.
The distance from Phoenix Arizona to St. George Utah is about six hours and forty minutes.
The driving distance from Butte, Montana to St. George, Utah is 716 miles via I-15 S per MapQuest. The driving time per MapQuest is 9 hours and 37 minutes.
Yellowstone to Provo is 364 miles.
7 hours, (480.9 mi) via I-15 N
You can not get directly to Yellowstone National Park by train. You can take the Empire Builder into northern Montana or the California Zephyr into Colorado and Utah. From those locations you will either need to travel by airplane or vehicle such as renting a car or RV or by bus.
The driving distance from Billings, Montana to Clinton, Utah is 524 miles via I-15 S per MapQuest. The driving time per MapQuest is 7 hours and 54 minutes.
516 mi - about 7 hours 4 mins
Under good winter driving conditions it is approximately 23 hours of driving from Edmonton, Alberta to St. George, Utah.