There are 5280 feet per mile.

There are 12 inches per foot.

So, to determine the number of inches in 100 miles:

100*(5280/1)*(12/1)=6,336,000.00 inches

There are 6,336,000 inches in 100 miles.

There are 12 inches per foot.

So, to determine the number of inches in 100 miles:

100*(5280/1)*(12/1)=6,336,000.00 inches

There are 6,336,000 inches in 100 miles.