Google maps says about 5 hours
directions and routes are here: http://maps.google.com/maps?saddr=Detroit,+MI&dirflg=&daddr=indianapolis&f=d&sll=42.40115,-83.045654&sspn=0.455325,0.884399&ie=UTF8&t=h&z=7
a long time lol
It takes about 10 hours to drive from Indianapolis to Pigeon Forge TN.
how long is the drive from decatur, il to indianapolis, in
A long time.
try mapquest
About 10 hours.
Check Mapquest.com
1 day and 11 hours!
12 hrs
Shams Rule
2536 kilometers
4 hours