Jordan–Saudi Arabia border
The Jordan–Saudi Arabia border is 731km (454mi) in length and runs from the Gulf of Aqaba in the south-west to the tripoint with Iraq in the north-east. == Description == The border starts in the south-west at Gulf of Aqaba, and then consists of nine straight lines that proceed broadly north-eastwards to the Iraqi tripoint.
Source: Wikipedia — Jordan–Saudi Arabia border (CC BY-SA 4.0)