Hope you the best
first it is long trip around 1200 Km , and you going on hot month, where the weather wont be good, and expect sandstorm, you can easly feel sleepy, becareful, your car should be well maintain, make sure your tires new, try as much as , don't drive after 8 pm . no need to go Suadi embassy, all things can be done by agencies.
Second option, you can go to Ryad by car from here to ryad 300 km, then from Ryad you can get bus which not cost you more than 300 SR including accomdation.
Hope you the best
first it is long trip around 1200 Km , and you going on hot month, where the weather wont be good, and expect sandstorm, you can easly feel sleepy, becareful, your car should be well maintain, make sure your tires new, try as much as , don't drive after 8 pm . no need to go Suadi embassy, all things can be done by agencies.
Second option, you can go to Ryad by car from here to ryad 300 km, then from Ryad you can get bus which not cost you more than 300 SR including accomdation.