About eight miles
About 5 miles. There's two direct buses, Lothian 100 and 35. The 100 is quicker but more expensive (£3.50?) where the 35 costs £1.30. There's taxis and hire cars available at the Airport.
9,595.73 kilometres (5,962.52 miles)
107.66 kilometres (66.9 miles)
4,937.41 kilometres (3,067.97 miles)