Input (grade 13): The approaches to the Khyber Pass across the Safed Koh are in eastern Afghanistan; the summit of the pass at at Landi Kotal, Pakistan is 5 km east of the border town of Torkham.
Output (grade 2): The area towards the Khyber Pass across the Safed Koh are in eastern Afghanistan; at the top the height is 1070 m. \/O/ 3,509 ft. at Landi Kotal.