The Khyber Pass runs between Peshawar in Pakistan and Jalalabad. For people who want to see a bit of the pass, it is advisable to start from Peshawar, which is a lot easier to reach as a traveler and to turn back before the Afghan border. Details are given under the Khyber Pass section of Pakistan.

Balkh
Bamian
Ghazni
Herat
Jalalabad
Kabul
Kandahar
Kunduz
Mazar-i-sharif
The Khyber pass