After arriving in Modi's home state, the two leaders along with the Israeli prime minister's wife Sara Netanyahu set out in a car from the Sardar Vallabhbhai Patel Airport here.
The roadshow will end at the Sabarmati Ashram after covering a distance of 8 kms.
Around 50 stages have been erected on the roadside along the stretch to showcase performances by troupes of different states to welcome the guests, Ahmedabad Municipal Corporation's standing committee chairman Pravin Patel earlier said.
The Israeli PM is the third international leader whom Modi is hosting in his home state of Gujarat.
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Modi and Japanese premier Shinzo Abe had held a joint roadshow during the latter's visit here in September last year. The Indian premier had shown Abe and his wife around at the Sabarmati Ashram, where Mahatma Gandhi had stayed for a long time.
They had also spent some time at the Sabarmati Riverfront, developed during Modi's tenure as Gujarat chief minister.