There are
1,416 mi
from Tucson, AZ to Maryland Heights, MO
That's the driving distance. It would take 1 day 1 hour to go from Tucson, Arizona to Maryland Heights, Missouri.
The flight distance (direct flight from Tucson, AZ to Maryland Heights, MO) is 1,234.11 mi.
1,416 mi = 1.61 kms