There are
1,072 mi
from Markham, IL to Pasadena, TX
That's the driving distance. It would take 19 hours 17 mins to go from Markham, Illinois to Pasadena, Texas.
The flight distance (direct flight from Markham, IL to Pasadena, TX) is 923.37 mi.
1,072 mi = 1,724.99 kms