Yes, but you need special permission of the United States government.
Nationals of countries having diplomatic relationships with Pakistan, can visit Pakistan after fulfilling visa requirements. The same applies to Americans. Americans can visit Pakistan after getting Pakistani Visa.
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how much gold can be carried to pakistan from dubai
Americans can travel to Russia. Even under communist rule americans and others were able to travel to Russia.
In a truck.
We can travel to Pakistan By Air and By Sea, if we go by Air Direct flight from New York to Islamabad, Lahore, Karachi is 15 Hours Max.
* they travel by cars and by boats
There is no direct flight from Pakistan to Egypt. You'll have to travel through Gulf. Normally it takes 5 Hours to reach Egypt from Pakistan.
The truth is that Pakistan is and was on the US State Department travel warning list. This meant, and means today, that non-essential travel is highly discouraged. (See the following State Department link; http://travel.state.gov/travel/cis_pa_tw/tw/tw_930.html.) Simple logic would conclude that he would not have required a foreign passport, but could have traveled on his US passport. There were other Americans who traveled in Pakistan (at least one journalist) at that time as well, so Obama wasn't alone. Although it is recommended to register with the embassy beforehand or immediately upon arrival, it is not a requirement now or in 1981.
Absolutely. Get a Schangen Visa.
Go to the embassy in Pakistan and request an interview and tell them you want to visit Italy for travel and why.
A one way flight from Islamabad, Pakistan to Perth, Australia will take approximately 11 hours.