There are
2,062 mi
from Rockville, MD to Centerville, UT
That's the driving distance. It would take 1 day 12 hours to go from Rockville, Maryland to Centerville, Utah.
The flight distance (direct flight from Rockville, MD to Centerville, UT) is 1,829.91 mi.
2,062 mi = 3,318.48 kms