Flaneurette

Change NameWidth of Apache Index.

Here is how to change the width of the name in the directory listing. 

You have two options: Change the width of the name and/or the description to your liking:
IndexOptions NameWidth=* DescriptionWidth=*
Fancy example:
IndexOptions IgnoreCase FoldersFirst FancyIndexing NameWidth=75 DescriptionWidth=55 SuppressHTMLPreamble

Done.