This is the most used driving and flight distance calculator tool in the world. When you want to know the best, easiest and shortest route, distance between cities. You can find how many miles, how far is it? You can find how is the weather. You can find the date time and oil prices. Having been combined at the end of long and great efforts,this information is gathered from firms which Google gains mapping data.Time estimation is calculated by GPS data providers according to the situation of the roads.