A mile, as we know it today, is 5,280 feet ('nautical miles' being something else). The difference between a mile and a statute mile is historical, rather than practical.
Many hundreds of years ago,...
Nautical miles are used as a distance measurement both in the air and on the sea, but not so often on the ground. So if "air miles" refers to the statute miles that we use over land, then a nautical...
Air miles are more direct. When driving across a mountain range for instance there is often a lot of winding and turning involved to get from one point to another. That is why the driving distance...