There are
1,188 mi
from Clarksville, TN to Hidalgo, TX
That's the driving distance. It would take 21 hours 4 mins to go from Clarksville, Tennessee to Hidalgo, Texas.
The flight distance (direct flight from Clarksville, TN to Hidalgo, TX) is 964.76 mi.
1,188 mi = 1.61 kms