Music:Presidents of the United States of America - Headin out
Probably only interesting to fellow road geeks like tckma
The longest distance I could get with Google Maps was 4,587 mi (7,382 km). I'd be interested to see if anyone could come up with a longer one. I myself could not get Homer or Anchorage to Key West to work.
This is after a day-long wikipedia binge. Hooray for facts and science!