Length of 1 car = 9.65 feet
There are a million cars bumper to bumper.
Therefore total length = 9.65*1,000,000 = 9,650,000 feet
Now we have to convert feet into miles
1 mile = 5,280 feet
Therefore 1 foot = 1/5,280 mile
Therefore 9,650,000 feet = 9,650,000 * 1/5,280 = 1,827.65 miles
Length in miles = 1,828 miles (Rounded to the nearest mile)