The two countries want to help create a strategic transit corridor for Taliban militants through Farah Province to reach other provinces of Afghanistan, local officials say.
The two-day meeting in Kabul of military officials from 12 countries -- including Afghanistan, Pakistan and the United States -- concluded with pledges to fight terrorism and narcotics together.
'We joined the peace process to save our children and our people from misery,' one former Taliban militant said.
'The path to regional peace and stability passes through Afghanistan,' said Pakistani Chief Of Army Staff General Qamar Javed Bajwa.
Over the past nine months, the force has killed 6,101 terrorists and wounded 3,285 others, according to the commander of the unit.
A suicide bomber detonated an ambulance packed with explosives on January 27 in Kabul, killing 103 and wounding 235. The impact of the blast will be felt for generations.
In a recent interview, Mohammad Masoom Stanekzai, the head of Afghanistan's National Directorate of Security, said evidence proves Moscow and Tehran are helping the Taliban.
Residents in Dur Baba District, Nangarhar Province, declared unity against the enemies of Afghanistan and asked the provincial government to invest in infrastructure projects.
US and Afghan forces are unleashing air and ground campaigns against insurgent revenue sources, training facilities and support networks.
Upon realising the oppression and brutality of their actions, an ISIS commander and 12 other militants surrendered their weapons and pledged to join the peace process.
Expressing regret for their previous activities, 56 former Taliban militants surrendered their weapons and promised to fight alongside Afghan government forces.
Clashes between ISIS and Taliban groups have resulted in dozens of militants killed and injured, officials say, warning that a 'much fiercer' battle could take place in the near future.