There are
939 mi
from Rockford, IL to North Richland Hills, TX
That's the driving distance. It would take 17 hours 25 mins to go from Rockford, Illinois to North Richland Hills, Texas.
The flight distance (direct flight from Rockford, IL to North Richland Hills, TX) is 788.87 mi.
939 mi = 1,511.88 kms