The following is from New Scientist, and shows the time taken to travel from a small city by land or water:

it's a small world

it’s a small world

It’s useful, too, for showing the main sea traffic, and in particular highlighting the arteries of world trade, across the North Pacific and North Atlantic, and through the Suez Canal, past the Horn of Africa, across the Indian Ocean, through the Southeast Asian archipelago, the South China Sea and into the East China Sea, Yellow Sea and the Sea of Japan.