How high do you have to go from earth before you're in space?

How high do you have to go from earth before you're in space?

Colin Pillinger (Professor of Planetary Sciences) gives expert video advice on: Do you think there will be a base on the moon?; Do you think we will colonize other planets?; What are the benefits of space science to humanity? and more...

The generally accepted distance to space from earth is 100km, which is 62 miles. That means that the farthest person from the ocean in Britain is 17-odd miles away, so in fact the farthest person from the ocean is nearer to space in England.