As far as I know there is no sequence followed. When I travelled I first covered jyotirlingam accessible from my place of living. However will share the sequence see how it helps you plan your travel. First jyotirlingam is at Gujarath. Followed by Ujjain and Shivpuri in Madhya Pradesh. Then Srisailam in Andhra Pradesh, Parli in Maharashtra, followed by Kedarnath, Darukavanam in Gujarath, then Nasik, Pune, Rameshwaram in Tamilnadu, Aurangabad and Varanasi.