1Route 66, USA

California – Arizona – New Mexico – Texas – Oklahoma – Kansas – Missouri – Illinois, USA 2,448 miles, 780 pictures per mile.

Being the longest road trip in the top 20 list, it spans three different time zones. Besides Route 66, as it is commonly called,  the road also goes by many other names; such as,  “Mother Road”, “The Main Street of America” and “The Will Rogers Highway”.
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