From Egypt there are bus connections from Cairo (visa should be obtained in advance). Multiple-entry visas may be needed.
It is also possible to enter the Palestinian National Authority Region at Allenby Bridge. Border crossings with Palestine are at Sheikh Hussein Bridge (Jordan River Crossing) near Lake Tiberias in the north and Wadi Arabah (Arava Crossing) in the south, the latter linking Jordan to Red Sea resort of Eilat.
Entry from Saudi Arabia is by bus. Jordan-bound buses can be taken from almost any point in Saudi Arabia or the Gulf. The border crossing is called Al-Haditha on the Saudi side and Al-Omari on the Jordanian side.