Very optimistic to swim the Atlantic in 30 days![:)) Perhaps Steve could come up with the calculations using the formulas used to calculate rider route times (like the ones you share with my class)!
Just last week someone had shown me a similar routing for New York to London. Can't say those guys at Google don't have a sense of humor. Interstingly, Los Angeles to Tokyo returns 'maps not available'.
When I first saw the title of this thread, my immediate thought was the old joke about asking directions in New York: