6 great American road trips(CNN) U.S. 191: Utah to Arizona Route 191 runs through some of the great landscapes of the Southwest Trip length: 197 miles from Moab, UT, to Chinle, AZ The scenery along Route 191 is spectacular any time of year. This red-rock country is a geological fairyland of arches, slot canyons, natural bridges and balancing rocks. The road bisects the Colorad..