Miles between Mckinney, TX and Johnston, IA

There are
666 mi
from Mckinney, TX to Johnston, IA

That's the driving distance. It would take 12 hours 23 mins to go from Mckinney, Texas to Johnston, Iowa.

The flight distance (direct flight from Mckinney, TX to Johnston, IA) is 607.13 mi.

666 mi = 1,071.29 kms