The people at Google must have a sense of humour. I think the time listed for this trip is a little optimistic though.
1. go to
www.google.com2. click on "maps"
3. click on "get directions" at the top
4. type "New York" in the first box (the "from" box)
5. type "London" in the second box (the "to" box);
6. click "get directions"
7. scroll down to step #23