Kedarnath – Kedarnath Temple (30.7352° N, 79.0669)
Kaleshwaram – Kaleshwara Mukteeshwara swamy Temple (18.8110, 79.9067)
Srikalahati – Srikalahasti Temple (13.749802, 79.698410)
Kanchipuram – Ekambareswarar Temple (12.847604, 79.699798)
Thiruvanaikaval – Jambukeswara Temple (10.853383, 78.705455)
Tiruvannamalai – Annamalaiyar Temple (12.231942, 79.067694)
Chidambaram – Nataraja Temple (11.399596, 79.693559)
Rameswaram – Ramanathaswamy Temple(9.2881, 79.3174)
There must be many more temples between Kedarnath and Kaleshwaram, which might fall on same straight line.
Flickering lamps in the SriKalahasti temple shows the play of wind (respiration of Vayu Linga), Water spring in the innermost sanctum of the Tiruvanaikka temple shows the temple’s relationship to the element water, Annual Kartikai Deepam (giant lamp is lighted atop the Annamalai hill) shows the Annamalaiyaar’s manifestation as fire, Swayambhu lingam of sand at Kanchipuram signifies the Siva’s association with the earth while the formless space (Akasa) at Chidambaram shows the association of lord with formlessness or nothingness.