The theory also assumes, without any proof, that the day of Creation was the same length as it is now.If we go by what the Bible says, then the time from creation to today is approximately 6 thousand years.
The original London Bridge was taken apart and rebuilt in Lake  Havasu, Arizona as a tourist attraction. The current London Bridge  is in Central London.
London City Airport is very close to Central London. However, the number of destinations from there is limited. Heathrow and Gatwick are the two main London Airports and are both about 30 miles from Central London and easily accessible. Heathrow lies to the West of London and Gatwick to the South.