Route 66 Itinerary Day 10: Gallup, NM to Flagstaff, AZ.Route 66 Itinerary Day 9: Albuquerque, NM to Gallup, NM.Route 66 Itinerary Day 8: Tucumcari, NM to Albuquerque, NM.Route 66 Itinerary Day 7: Amarillo, TX to Tucumcari, NM.Route 66 Itinerary Day 6: Clinton, OK to Amarillo, TX.Route 66 Itinerary Day 5: Tulsa, OK to Clinton, OK.Route 66 Itinerary Day 4: Carthage, MO to Tulsa, OK.