There are
1,100 mi
from Pasadena, TX to Elmhurst, IL
That's the driving distance. It would take 19 hours 55 mins to go from Pasadena, Texas to Elmhurst, Illinois.
The flight distance (direct flight from Pasadena, TX to Elmhurst, IL) is 935.83 mi.
1,100 mi = 1.61 kms