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.
Jalan raja, atau jalan utamanya, terbentang lebih dari 5.000 kilometer sepanjang dataran tinggi Andes, sementara jalan yang sejajar melintas sekitar 4.000 kilometer sepanjang Pantai Pasifik.