Brickhead Bob's Journey
Brickhead Bob has decided that he wants to travel the world, namely from Chicago, US to Delhi, India. Brickhead Bob isn't the brightest, but he says to himself before he sets of that he is going to get to his destination the very shortest way. He needs one thing to take with him that will help him get to Delhi. What is the best option for Brickhead Bob?
Details and assumption
Brickhead Bob is not looking for the fastest way, but the shortest.
Assume that the Earth is a perfect sphere with radius 6,300 km.