There are
1,248 mi
from Round Rock, TX to Mt Airy, NC
That's the driving distance. It would take 22 hours 8 mins to go from Round Rock, Texas to Mt Airy, North Carolina.
The flight distance (direct flight from Round Rock, TX to Mt Airy, NC) is 1,065.12 mi.
1,248 mi = 1.61 kms