To find the fastest mirror in Debian, download and install apt-spy.

Apt-spy is a program used to test a series of Debian's mirrors for bandwidth. Apt-spy will then generate a /etc/apt/sources.list file with the fasted server. You can select which of the Debian server's to benchmark by geographical location.

Run this command to retrieve the latest list of Debian mirrors

To find the fastest mirror, run

or

if you want to find the fastest mirror on a specific country.  full story »