Miles between Knoxville, TN and Rio Grande City, TX

There are
1,311 mi
from Knoxville, TN to Rio Grande City, TX

That's the driving distance. It would take 1 day to go from Knoxville, Tennessee to Rio Grande City, Texas.

The flight distance (direct flight from Knoxville, TN to Rio Grande City, TX) is 1,099.60 mi.

1,311 mi = 1.61 kms