Clockwise Loop (recommended for most travelers)
Day 1 goes Cancun to Valladolid in about 2 hours for check-in, cenote walk, and plaza evening. Day 2 runs Valladolid to Chichen Itza in 45 minutes for a full morning, then back to Valladolid. Day 3 moves 2 hours to Merida and arrives around midday. Day 4 stays in Merida for city markets, cathedral area, and Paseo de Montejo. Day 5 runs 1 hour to Uxmal for a morning site block, then returns Merida or continues south. Day 6 returns Merida to Cancun around 3h 30m, or reconnects to coast plans.