There are
1,848 mi
from Reno, NV to Cahokia, IL
That's the driving distance. It would take 1 day 7 hours to go from Reno, Nevada to Cahokia, Illinois.
The flight distance (direct flight from Reno, NV to Cahokia, IL) is 1,583.74 mi.
1,848 mi = 1.61 kms