Suppose I am a King (absolute monarch) from a small country. How much would my average travel expenses cost (armored car motorcade and aeroplane) when I need to meet foreign dignitaries abroad and is it more practical for me and my entourage to fly through my own jet plane?

https://youtu.be/GHuP9ghOqBM?feature=shared

https://youtu.be/Xvhdn-47WSs?feature=shared

https://youtu.be/Y01_ansohj0?feature=shared