Chengam lies on the mid-way of NH66 plying from Bangalore to Puducherry via Thiruvannamalai.It is separated from Thiruvannamalai at a distance of 35km.It is well connected with major nearby towns like Polur, Vellore, Thiruvannamalai, Singarapettai, Pudupalayam, Sathanur Dam, Thandarampattu and Uthangarai.
Chengam lies on the mid-way of NH66 plying from Bangalore to Puducherry via Thiruvannamalai.It is separated from Thiruvannamalai at a distance of 35km.It is well connected with major nearby Metro City Is Vellore City. Major towns like Polur, Thiruvannamalai, Singarapettai, Pudupalayam, Sathanur Dam, Thandarampattu and Uthangarai.