There are
1,349 mi
from Provo, UT to Cahokia, IL
That's the driving distance. It would take 23 hours 35 mins to go from Provo, Utah to Cahokia, Illinois.
The flight distance (direct flight from Provo, UT to Cahokia, IL) is 1,149.12 mi.
1,349 mi = 1.61 kms