Originally Posted by
Cloudship
Have you thought about Iceland air? That gives you a layover on the way. Still teh same distance, but at least there is a break in between.
Good suggestion. To break it up the most it would be San Francisco-Chicago-JFK-Iceland-London. From there you could take the train anywhere in Europe. You could obviously do versions of that with fewer stops such as San Francisco to NY and then NY to Iceland and Iceland to London.