You will probably take the following route:
Karachi > Hyderabad > sukkur > rahim yar khan > Bahawalpur > Multan > LAhore > islamabad > muzzafarabad > keran.
There are other routes as well but this is all national highway, in a pretty condition.
You will probably spend one night at rahim yar Khan or at Bahawalpur and then the other night stay at islamabad or muzzafarabad.
Karachi to rahim yar Khan would be like 14hrs almost.
Rahim yar Khan to islamabad is about 13hrs.
Islamabad to muzzafarabad is 3hrs and muzzafarabad to keran is another 2.5-3hrs.
Keran to sharda is 2.5hrs and sharda to Keil is 1.5hrs.
You won't be having any problems regarding road conditions till sharda.
Sharda to Keil is no problem for your vehicle but good driving skills would matter.
I might be going there on 7-10th may so I could help more once I am back.
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