Their royal road, or main highway, stretched more than 3,000 miles [5,000 km] through the Andean highlands, while a parallel road ran some 2,500 miles [4,000 km] along the Pacific Coast.
وشقوا بمحاذاة ساحل المحيط الهادئ طريقا موازيا للطريق الملكي طوله حوالي ٠٠٠‏,٤ كيلومتر .‏